// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

syntax = "proto2";

import public "protos/perfetto/trace/track_event/track_event.proto";
import public "protos/perfetto/trace/track_event/debug_annotation.proto";

package perfetto.protos;

enum ChromeAppState {
  APP_STATE_FOREGROUND = 1;
  APP_STATE_BACKGROUND = 2;
}

enum MemoryPressureLevel {
  MEMORY_PRESSURE_LEVEL_NONE = 0;
  MEMORY_PRESSURE_LEVEL_MODERATE = 1;
  MEMORY_PRESSURE_LEVEL_CRITICAL = 2;
}

message ChromeMemoryPressureNotification {
  optional MemoryPressureLevel level = 1;

  // ID of interned source location where MemoryPressureListener was created
  optional uint64 creation_location_iid = 2;
}

message ChromeTaskAnnotator {
  optional uint32 ipc_hash = 1;
  // The delay in microseconds that was specified, if any, when this task was
  // posted. This is only valid for delayed tasks.
  optional uint64 task_delay_us = 2;
}

message ChromeBrowserContext {
  reserved 1;
  optional string id = 2;
}

message ChromeProfileDestroyer {
  optional fixed64 profile_ptr = 1;
  optional bool is_off_the_record = 2;
  optional string otr_profile_id = 3;
  optional uint32 host_count_at_creation = 4;
  optional uint32 host_count_at_destruction = 5;
  optional fixed64 render_process_host_ptr = 6;
}

message ChromeTaskPostedToDisabledQueue {
  optional string task_queue_name = 1;
  optional uint64 time_since_disabled_ms = 2;
  optional uint32 ipc_hash = 3;
  optional uint64 source_location_iid = 4;
}

message ChromeRasterTask {
  optional int64 source_frame_number = 1;
}

message ChromeMessagePumpForUI {
  // The MSG defined in winuser.h.
  optional uint32 message_id = 1;
}

// An enumeration specifying the reason of the RenderFrame deletion.
// This is copied from content/common/frame.mojom.
enum FrameDeleteIntention {
  // The frame being deleted isn't a (speculative) main frame.
  FRAME_DELETE_INTENTION_NOT_MAIN_FRAME = 0;

  // The frame being deleted is a speculative main frame, and it is being
  // deleted as part of the shutdown for that WebContents. The entire RenderView
  // etc will be destroyed by a separate IPC sent later.
  FRAME_DELETE_INTENTION_SPECULATIVE_MAIN_FRAME_FOR_SHUTDOWN = 1;

  // The frame being deleted is a speculative main frame, and it is being
  // deleted because the speculative navigation was cancelled. This is not part
  // of shutdown.
  FRAME_DELETE_INTENTION_SPECULATIVE_MAIN_FRAME_FOR_NAVIGATION_CANCELLED = 2;
}

message RenderFrameImplDeletion {
  // The intent for the deletion.
  optional FrameDeleteIntention intent = 1;

  // Whether the frame that's about to be deleted has a pending navigation
  // commit.
  optional bool has_pending_commit = 2;

  // Whether the frame that's about to be deleted has a pending cross-document
  // navigation commit.
  optional bool has_pending_cross_document_commit = 3;

  // The FrameTreeNode ID of the frame that's about to be deleted.
  optional uint64 frame_tree_node_id = 4;
}

// Matches content::ShouldSwapBrowsingInstance.
enum ShouldSwapBrowsingInstance {
  // Was used for all "no BrowsingInstance swap" scenarios, now broken down in
  // separate reasons.
  SHOULD_SWAP_BROWSING_INSTANCE_NO = 0;

  // Forced BrowsingInstance swap.
  SHOULD_SWAP_BROWSING_INSTANCE_YES_FORCE_SWAP = 1;

  // Proactive BrowsingInstance swap for cross-site navigation.
  SHOULD_SWAP_BROWSING_INSTANCE_YES_CROSS_SITE_PROACTIVE_SWAP = 2;

  // Proactive BrowsingInstance swap for same-site navigation.
  SHOULD_SWAP_BROWSING_INSTANCE_YES_SAME_SITE_PROACTIVE_SWAP = 3;

  SHOULD_SWAP_BROWSING_INSTANCE_NO_PROACTIVE_SWAP_DISABLED = 4;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_NOT_MAIN_FRAME = 5;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_HAS_RELATED_ACTIVE_CONTENTS = 6;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_DOES_NOT_HAVE_SITE = 7;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_SOURCE_URL_SCHEME_NOT_HTTP_OR_HTTPS = 8;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_DESTINATION_URL_SCHEME_NOT_HTTP_OR_HTTPS = 9;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_SAME_SITE_NAVIGATION = 10;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_RELOADING_ERROR_PAGE = 11;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_ALREADY_HAS_MATCHING_BROWSING_INSTANCE = 12;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_RENDERER_DEBUG_URL = 13;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_NOT_NEEDED_FOR_BACK_FORWARD_CACHE = 14;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_SAME_DOCUMENT_NAVIGATION = 15;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_SAME_URL_NAVIGATION = 16;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_WILL_REPLACE_ENTRY = 17;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_RELOAD = 18;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_GUEST = 19;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_HAS_NOT_COMMITTED_ANY_NAVIGATION = 20;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_UNLOAD_HANDLER_EXISTS_ON_SAME_SITE_NAVIGATION =
      21;
  SHOULD_SWAP_BROWSING_INSTANCE_NO_NOT_PRIMARY_MAIN_FRAME = 22;
}

message ShouldSwapBrowsingInstancesResult {
  // The FrameTreeNode ID.
  optional uint64 frame_tree_node_id = 1;

  // Whether a navigation will do a BrowsingInstance swap or not.
  optional ShouldSwapBrowsingInstance result = 2;
}

message FrameTreeNodeInfo {
  // The FrameTreeNode ID.
  optional uint64 frame_tree_node_id = 1;

  // Whether the frame is a main frame or not.
  optional bool is_main_frame = 2;

  // Whether there's a speculative RenderFrameHost or not.
  optional bool has_speculative_render_frame_host = 3;

  optional RenderFrameHost current_frame_host = 4;
  optional RenderFrameHost speculative_frame_host = 5;

  // Additional untyped debug information associated with this
  // FrameTreeNode, populated via TracedProto::AddDebugAnnotations API.
  repeated DebugAnnotation debug_annotations = 99;
}

message ChromeHashedPerformanceMark {
  optional uint32 site_hash = 1;
  optional string site = 2;
  optional uint32 mark_hash = 3;
  optional string mark = 4;

  // A randomly generated unique identifier for a given ExecutionContext
  // (document, worker, etc). Used to be able to correlate events in a process
  // where there are multiple execution contexts from the same site.
  optional uint32 execution_context_id = 5;

  // Indicates the sequence number of this particular mark being emitted from
  // a particular site in the scope of a single ExecutionContext. Typical
  // sites emit batches of events that are correlated in time (a thing started,
  // a thing reached a given milestone, a thing completed). When these events
  // are intermixed it is useful to know which ones are semantically related.
  // The value is generated by the content itself, but shifted by a fixed
  // random offset at runtime so as to limit usage as a side channel.
  optional uint32 sequence_number = 6;
}

message ChromeWebAppBadNavigate {
  optional bool is_kiosk = 1;
  optional bool has_hosted_app_controller = 2;
  optional string app_name = 3;
  optional uint32 system_app_type = 4;
  optional bool web_app_provider_registry_ready = 5;
  optional bool system_web_app_manager_synchronized = 6;
}

// These IDs are generated at compile time and differ for each chrome version.
// IDs are stable on for a given chrome version but are changing when resources
// are added or removed to chrome.
message ResourceBundle {
  optional uint32 resource_id = 1;
}

// Information about RenderProcessHost.
message RenderProcessHost {
  // Unique Id to identify the RenderProcessHost. This is the browser-side,
  // persistent id for this RenderProcessHost that stays constant even across OS
  // layer processes managed by this RenderProcessHost.
  optional uint32 id = 1;
  // See ProcessLock::ToString().
  optional string process_lock = 2;
  // The PID of the child process.
  optional int32 child_process_id = 3;

  // Details about the associated browser context.
  optional ChromeBrowserContext browser_context = 4;

  // Additional untyped debug information associated with this
  // RenderProcessHost, populated via TracedProto::AddDebugAnnotations API.
  repeated DebugAnnotation debug_annotations = 99;
}

message RenderProcessHostListener {
  // Routing ID of the listener to the RenderProcessHost, recorded when a new ID
  // is added or when an ID is removed.
  optional uint32 routing_id = 1;
}

message RenderProcessHostCleanup {
  // Number of IPC listeners registered to the host when Cleanup() was called.
  optional uint32 listener_count = 1;
  // Number of "keep alive" references active in the RenderProcessHost, recorded
  // when Cleanup() was called.
  optional uint32 keep_alive_ref_count = 2;
  // Number of "shutdown delay" references active in the RenderProcessHost,
  // recorded when Cleanup() was called.
  optional uint32 shutdown_delay_ref_count = 3;
  // Number of "worker delay" references active in the RenderProcessHost,
  // recorded when Cleanup() was called.
  optional uint32 worker_ref_count = 4;
}

message ChildProcessLauncherPriority {
  // True if the new priority set to background.
  optional bool is_backgrounded = 1;
  // True if the renderer proecss has pending views.
  optional bool has_pending_views = 2;

  // Importance of the child process in Android.
  enum Importance {
    IMPORTANCE_NORMAL = 1;
    IMPORTANCE_MODERATE = 2;
    IMPORTANCE_IMPORTANT = 3;
  }
  optional Importance importance = 3;
}

// Information that identifies a Chrome Extension.
message ChromeExtensionId {
  // Unique id that identifies a Chrome Extension.
  optional string extension_id = 1;

  // Pseudonymized `extension_id` field (see also
  // content::PseudonymizationUtil::PseudonymizeString method).
  optional uint32 pseudonymized_extension_id = 2;
}

message SiteInstance {
  // The ID of the SiteInstance.
  optional int32 site_instance_id = 1;

  // The ID of the BrowsingInstance that the SiteInstance belongs to.
  optional int32 browsing_instance_id = 2;

  // Whether the SiteInstance is the "default SiteInstance" or not. Non-isolated
  // sites on Android are not assigned to their own specific per-site process,
  // and shares SiteInstances with each other (the default SiteInstance).
  optional bool is_default = 3;

  // Whether this SiteInstance has a running process associated with it.
  optional bool has_process = 4;

  // Returns the total active WebContents count for this SiteInstance and all
  // related SiteInstances in the same BrowsingInstance.
  optional int32 related_active_contents_count = 5;

  // The number of active RenderFrameHosts this SiteInstance's SiteInstanceGroup
  // has.
  optional int32 active_rfh_count = 6;

  // The SiteInstanceGroup this SiteInstance belongs to.
  optional SiteInstanceGroup site_instance_group = 7;

  // Additional untyped debug information associated with this
  // SiteInstance, populated via TracedProto::AddDebugAnnotations API.
  repeated DebugAnnotation debug_annotations = 99;
}

message SiteInstanceGroup {
  // The ID of the SiteInstanceGroup.
  optional int32 site_instance_group_id = 1;

  // The number of active frames in this SiteInstanceGroup.
  optional int32 active_frame_count = 2;

  // The process ID of the SiteInstanceGroup.
  optional RenderProcessHost process = 3;

  // Additional untyped debug information associated with this
  // SiteInstanceGroup, populated via TracedProto::AddDebugAnnotations API.
  repeated DebugAnnotation debug_annotations = 99;
}

// Next ID: 7
message RenderViewHost {
  // The RenderViewHostMapId for the RenderViewHost.
  optional int32 rvh_map_id = 1;

  // The routing ID for the RenderViewHost.
  optional int32 routing_id = 2;

  // The process ID of the RenderViewHost. Deprecated in favour of |process|.
  optional int32 process_id = 3;

  // Process this RenderViewHost is associated with.
  optional RenderProcessHost process = 6;

  // Whether the RenderViewHost is in back/forward cache or not.
  optional bool is_in_back_forward_cache = 4;

  // Whether the renderer-side RenderView is created.
  optional bool renderer_view_created = 5;

  // Additional untyped debug information associated with this
  // RenderViewHost, populated via TracedProto::AddDebugAnnotations API.
  repeated DebugAnnotation debug_annotations = 99;
}

message RenderFrameProxyHost {
  // The routing ID for the RenderFrameProxyHost.
  optional int32 routing_id = 1;

  // The process ID of the RenderFrameProxyHost.
  optional int32 process_id = 2;

  // The RenderViewHostMapId of the RenderViewHost associated with the
  // RenderFrameProxyHost.
  optional int32 rvh_map_id = 3;

  // The SiteInstanceId of the SiteInstance associated with the
  // RenderFrameProxyHost.
  optional int32 site_instance_id = 4;

  // Whether the renderer-side RenderFrameProxy is live or not.
  optional bool is_render_frame_proxy_live = 5;

  // The SiteInstanceGroupId of the SiteInstanceGroup associated with the
  // RenderFrameProxyHost.
  optional int32 site_instance_group_id = 6;

  // Additional untyped debug information associated with this
  // RenderFrameProxyHost, populated via TracedProto::AddDebugAnnotations API.
  repeated DebugAnnotation debug_annotations = 99;
}

message AndroidView {
  optional int32 id = 1;
  optional int32 parent_id = 2;
  optional bool is_shown = 3;
  optional bool is_dirty = 4;
  optional string class_name = 5;
  optional string resource_name = 6;
}

message AndroidActivity {
  optional string name = 1;
  repeated AndroidView view = 2;
}

message AndroidViewDump {
  repeated AndroidActivity activity = 1;
}

message ParkableStringCompressInBackground {
  // The size of the string that is being compressed, in bytes.
  optional int32 size_bytes = 1;
}

message ParkableStringUnpark {
  // The size of the string that is being unparked, in bytes.
  optional int32 size_bytes = 1;

  // The elapsed time since the string was written to disk (in seconds), or -1
  // if it hadn't yet been written to disk.
  optional int32 time_since_last_disk_write_sec = 2;
}

message ChromeSamplingProfilerSampleCollected {
  optional int32 frame_count = 1;

  enum WriteStatus {
    WRITE_STATUS_NONE = 0;
    WRITE_STATUS_BUFFERING_SAMPLE = 1;
    WRITE_STATUS_WRITING_BUFFERED = 2;
    WRITE_STATUS_WRITING_TO_TRACE = 3;
  }
  optional WriteStatus write_status = 2;

  optional int32 sampled_thread_id = 3;
}

// Reports the latency caused by each breakdown in the
// SendBeginMainFrameToCommit stage of the PipelineReporter.
message SendBeginMainFrameToCommitBreakdown {
  // Handle input events breakdown
  optional uint64 handle_input_events_us = 1;

  // Animate breakdown
  optional uint64 animate_us = 2;

  // Style update breakdown
  optional uint64 style_update_us = 3;

  // Layout update breakdown
  optional uint64 layout_update_us = 4;

  // Prepaint breakdown
  optional uint64 prepaint_us = 5;

  // Compositing inputs breakdown
  optional uint64 compositing_inputs_us = 6;

  // Compositing assignments breakdown
  optional uint64 compositing_assignments_us = 7;

  // Paint breakdown
  optional uint64 paint_us = 8;

  // Composite commit breakdown
  optional uint64 composite_commit_us = 9;

  // Update layers breakdown
  optional uint64 update_layers_us = 10;

  // Beginmainsenttostarted breakdown
  optional uint64 begin_main_sent_to_started_us = 11;
}

message GlobalRenderFrameHostId {
  optional int32 routing_id = 1;
  optional int32 process_id = 2;
}

message BrowsingContextState {
  // The ID of the BrowsingInstance that the BrowsingContextState belongs to.
  optional int32 browsing_instance_id = 1;

  // Additional untyped debug information associated with this
  // FrameTreeNode, populated via TracedProto::AddDebugAnnotations API.
  repeated DebugAnnotation debug_annotations = 99;
}

message RenderFrameHost {
  optional RenderProcessHost process = 1;
  optional GlobalRenderFrameHostId render_frame_host_id = 2;

  // NOTE: this proto must be kept consistent with
  // RenderFrameHostImpl::LifecycleStateImpl.
  enum LifecycleState {
    UNSPECIFIED = 0;
    SPECULATIVE = 1;
    PENDING_COMMIT = 2;
    PRERENDERING = 3;
    ACTIVE = 4;
    IN_BACK_FORWARD_CACHE = 5;
    RUNNING_UNLOAD_HANDLERS = 6;
    READY_TO_BE_DELETED = 7;
  }

  optional LifecycleState lifecycle_state = 3;
  optional string origin = 4;
  optional string url = 5;
  optional uint64 frame_tree_node_id = 6;
  optional SiteInstance site_instance = 7;
  optional RenderFrameHost parent = 8;
  optional RenderFrameHost outer_document = 9;
  optional RenderFrameHost embedder = 10;
  optional BrowsingContextState browsing_context_state = 11;

  // Additional untyped debug information associated with this
  // RenderViewHost, populated via TracedProto::AddDebugAnnotations API.
  repeated DebugAnnotation debug_annotations = 99;
}

message ChromeThreadPoolTask {
  enum Priority {
    PRIORITY_UNSPECIFIED = 0;
    PRIORITY_BEST_EFFORT = 1;
    PRIORITY_USER_VISIBLE = 2;
    PRIORITY_USER_BLOCKING = 3;
  }

  enum ExecutionMode {
    EXECTUION_MODE_UNSPECIFIED = 0;
    EXECUTION_MODE_PARALLEL = 1;
    EXECUTION_MODE_SEQUENCED = 2;
    EXECUTION_MODE_SINGLE_THREAD = 3;
    EXECUTION_MODE_JOB = 4;
  }

  enum ShutdownBehavior {
    SHUTDOWN_BEHAVIOR_UNSPECIFIED = 0;
    SHUTDOWN_BEHAVIOR_CONTINUE_ON_SHUTDOWN = 1;
    SHUTDOWN_BEHAVIOR_SKIP_ON_SHUTDOWN = 2;
    SHUTDOWN_BEHAVIOR_BLOCK_SHUTDOWN = 3;
  }

  optional Priority task_priority = 1;
  optional ExecutionMode execution_mode = 2;
  optional int64 sequence_token = 3;
  optional ShutdownBehavior shutdown_behavior = 4;
}

// TODO(crbug.com/1258495): Add more information.
message BackForwardCacheCanStoreDocumentResult {
  enum BackForwardCacheNotRestoredReason {
    NOT_MAIN_FRAME = 1;
    // BackForwardCache is disabled due to low memory device, base::Feature or
    // command line. Note that the more specific NotRestoredReasons
    // BACK_FORWARD_CACHE_DISABLED_BY_LOW_MEMORY and
    // BACK_FORWARD_CACHE_DISABLED_BY_COMMAND_LINE will also be set as other
    // reasons along with this when appropriate.
    BACK_FORWARD_CACHE_DISABLED = 2;
    RELATED_ACTIVE_CONTENTS_EXIST = 3;
    HTTP_STATUS_NOT_OK = 4;
    SCHEME_NOT_HTTP_OR_HTTPS = 5;
    LOADING = 6;
    WAS_GRANTED_MEDIA_ACCESS = 7;
    BLOCKLISTED_FEATURES = 8;
    DISABLE_FOR_RENDER_FRAME_HOST_CALLED = 9;
    DOMAIN_NOT_ALLOWED = 10;
    HTTP_METHOD_NOT_GET = 11;
    SUBFRAME_IS_NAVIGATING = 12;
    TIMEOUT = 13;
    CACHE_LIMIT = 14;
    JAVASCRIPT_EXECUTION = 15;
    RENDERER_PROCESS_KILLED = 16;
    RENDERER_PROCESS_CRASHED = 17;
    GRANTED_MEDIA_STREAM_ACCESS = 19;
    SCHEDULER_TRACKED_FEATURE_USED = 20;
    CONFLICTING_BROWSING_INSTANCE = 21;
    CACHE_FLUSHED = 22;
    SERVICE_WORKER_VERSION_ACTIVATION = 23;
    SESSION_RESTORED = 24;
    UNKNOWN = 25;
    SERVICE_WORKER_POST_MESSAGE = 26;
    ENTERED_BACK_FORWARD_CACHE_BEFORE_SERVICE_WORKER_HOST_ADDED = 27;
    NOT_MOST_RECENT_NAVIGATION_ENTRY = 28;
    SERVICE_WORKER_CLAIM = 29;
    IGNORE_EVENT_AND_EVICT = 30;
    HAVE_INNER_CONTENTS = 31;
    TIMEOUT_PUTTING_IN_CACHE = 32;
    // BackForwardCache is disabled due to low memory device.
    BACK_FORWARD_CACHE_DISABLED_BY_LOW_MEMORY = 33;
    // BackForwardCache is disabled due to command-line switch (may include
    // cases where the embedder disabled it due to, e.g., enterprise policy).
    BACK_FORWARD_CACHE_DISABLED_BY_COMMAND_LINE = 34;
    NETWORK_REQUEST_REDIRECTED = 35;
    NETWORK_REQUEST_TIMEOUT = 36;
    NETWORK_EXCEEDS_BUFFER_LIMIT = 37;
    NAVIGATION_CANCELLED_WHILE_RESTORING = 38;
    BACK_FORWARD_CACHE_DISABLED_FOR_PRERENDER = 39;
    USER_AGENT_OVERRIDE_DIFFERS = 40;
    NETWORK_REQUEST_DATAPIPE_DRAINED_AS_BYTES_CONSUMER = 41;
    FOREGROUND_CACHE_LIMIT = 42;
    BROWSING_INSTANCE_NOT_SWAPPED = 43;
    BACK_FORWARD_CACHE_DISABLED_FOR_DELEGATE = 44;
    OPT_IN_UNLOAD_HEADER_NOT_PRESENT = 45;
    UNLOAD_HANDLER_EXISTS_IN_MAIN_FRAME = 46;
    UNLOAD_HANDLER_EXISTS_IN_SUBFRAME = 47;
    SERVICE_WORKER_UNREGISTRATION = 48;
    CACHE_CONTROL_NO_STORE = 49;
    CACHE_CONTROL_NO_STORE_COOKIE_MODIFIED = 50;
    CACHE_CONTROL_NO_STORE_HTTP_ONLY_COOKIE_MODIFIED = 51;
    NO_RESPONSE_HEAD = 52;
    ACTIVATION_NAVIGATION_DISALLOWED_FOR_BUG_1234857 = 53;
    ERROR_DOCUMENT = 54;
    FENCED_FRAMES_EMBEDDER = 55;
  }

  optional BackForwardCacheNotRestoredReason
      back_forward_cache_not_restored_reason = 1;
}

message RendererMainThreadTaskExecution {
  enum TaskType {
    TASK_TYPE_UNKNOWN = 0;
    TASK_TYPE_DOM_MANIPULATION = 1;
    TASK_TYPE_USER_INTERACTION = 2;
    TASK_TYPE_NETWORKING = 3;
    TASK_TYPE_NETWORKING_CONTROL = 4;
    TASK_TYPE_HISTORY_TRAVERSAL = 5;
    TASK_TYPE_EMBED = 6;
    TASK_TYPE_MEDIA_ELEMENT_EVENT = 7;
    TASK_TYPE_CANVAS_BLOB_SERIALIZATION = 8;
    TASK_TYPE_MICROTASK = 9;
    TASK_TYPE_JAVASCRIPT_TIMER_DELAYED_HIGH_NESTING = 10;
    TASK_TYPE_REMOTE_EVENT = 11;
    TASK_TYPE_WEB_SOCKET = 12;
    TASK_TYPE_POSTED_MESSAGE = 13;
    TASK_TYPE_UNSHIPPED_PORT_MESSAGE = 14;
    TASK_TYPE_FILE_READING = 15;
    TASK_TYPE_DATABASE_ACCESS = 16;
    TASK_TYPE_PRESENTATION = 17;
    TASK_TYPE_SENSOR = 18;
    TASK_TYPE_PERFORMANCE_TIMELINE = 19;
    TASK_TYPE_WEB_GL = 20;
    TASK_TYPE_IDLE_TASK = 21;
    TASK_TYPE_MISC_PLATFORM_API = 22;
    TASK_TYPE_INTERNAL_DEFAULT = 23;
    TASK_TYPE_INTERNAL_LOADING = 24;

    TASK_TYPE_INTERNAL_TEST = 26;
    TASK_TYPE_INTERNAL_WEB_CRYPTO = 27;

    TASK_TYPE_INTERNAL_MEDIA = 29;
    TASK_TYPE_INTERNAL_MEDIA_REALTIME = 30;

    TASK_TYPE_INTERNAL_USER_INTERACTION = 32;
    TASK_TYPE_INTERNAL_INSPECTOR = 33;

    TASK_TYPE_MAIN_THREAD_TASK_QUEUE_V8 = 37;
    TASK_TYPE_MAIN_THREAD_TASK_QUEUE_COMPOSITOR = 38;
    TASK_TYPE_MAIN_THREAD_TASK_QUEUE_DEFAULT = 39;
    TASK_TYPE_MAIN_THREAD_TASK_QUEUE_INPUT = 40;
    TASK_TYPE_MAIN_THREAD_TASK_QUEUE_IDLE = 41;

    TASK_TYPE_MAIN_THREAD_TASK_QUEUE_CONTROL = 43;
    TASK_TYPE_INTERNAL_INTERSECTION_OBSERVER = 44;
    TASK_TYPE_COMPOSITOR_THREAD_TASK_QUEUE_DEFAULT = 45;
    TASK_TYPE_WORKER_THREAD_TASK_QUEUE_DEFAULT = 46;
    TASK_TYPE_WORKER_THREAD_TASK_QUEUE_V8 = 47;
    TASK_TYPE_WORKER_THREAD_TASK_QUEUE_COMPOSITOR = 48;
    TASK_TYPE_COMPOSITOR_THREAD_TASK_QUEUE_INPUT = 49;
    TASK_TYPE_NETWORKING_WITH_URL_LOADER_ANNOTATION = 50;
    TASK_TYPE_WORKER_ANIMATION = 51;

    TASK_TYPE_INTERNAL_TRANSLATION = 55;
    TASK_TYPE_FONT_LOADING = 56;
    TASK_TYPE_APPLICATION_LIFECYCLE = 57;
    TASK_TYPE_BACKGROUND_FETCH = 58;
    TASK_TYPE_PERMISSION = 59;
    TASK_TYPE_SERVICE_WORKER_CLIENT_MESSAGE = 60;
    TASK_TYPE_INTERNAL_CONTENT_CAPTURE = 61;
    TASK_TYPE_MAIN_THREAD_TASK_QUEUE_MEMORY_PURGE = 62;
    TASK_TYPE_INTERNAL_NAVIGATION_ASSOCIATED = 63;
    TASK_TYPE_INTERNAL_NAVIGATION_ASSOCIATED_UNFREEZABLE = 64;
    TASK_TYPE_INTERNAL_CONTINUE_SCRIPT_LOADING = 65;
    TASK_TYPE_WEB_LOCKS = 66;
    TASK_TYPE_WEB_SCHEDULING_POSTED_TASK = 67;
    TASK_TYPE_INTERNAL_FRAME_LIFE_CYCLE_CONTROL = 68;
    TASK_TYPE_MAIN_THREAD_TASK_QUEUE_NON_WAKING = 69;
    TASK_TYPE_INTERNAL_FIND_IN_PAGE = 70;
    TASK_TYPE_INTERNAL_HIGH_PRIORITY_LOCAL_FRAME = 71;
    TASK_TYPE_JAVASCRIPT_TIMER_IMMEDIATE = 72;
    TASK_TYPE_JAVASCRIPT_TIMER_DELAYED_LOW_NESTING = 73;
    TASK_TYPE_MAIN_THREAD_TASK_QUEUE_IPC_TRACKING = 74;
    TASK_TYPE_NETWORKING_UNFREEZABLE = 75;
    TASK_TYPE_WAKE_LOCK = 76;
    TASK_TYPE_INTERNAL_INPUT_BLOCKING = 77;
    TASK_TYPE_WEB_GPU = 78;
    TASK_TYPE_INTERNAL_POST_MESSAGE_FORWARDING = 79;
  }

  enum FrameType {
    FRAME_TYPE_UNSPECIFIED = 0;
    FRAME_TYPE_MAIN_FRAME = 1;
    FRAME_TYPE_SAME_ORIGIN_SUBFRAME = 2;
    FRAME_TYPE_CROSS_ORIGIN_SUBFRAME = 3;
  }

  optional TaskType task_type = 1;

  // FrameScheduler related data
  optional bool frame_visible = 2;
  optional bool page_visible = 3;
  optional FrameType frame_type = 4;
}

message EventLatency {
  enum EventType {
    EVENT_TYPE_UNSPECIFIED = 0;
    MOUSE_PRESSED = 1;
    MOUSE_RELEASED = 2;
    MOUSE_WHEEL = 3;
    KEY_PRESSED = 4;
    KEY_RELEASED = 5;
    TOUCH_PRESSED = 6;
    TOUCH_RELEASED = 7;
    TOUCH_MOVED = 8;
    GESTURE_SCROLL_BEGIN = 9;
    GESTURE_SCROLL_UPDATE = 10;
    GESTURE_SCROLL_END = 11;
    GESTURE_DOUBLE_TAP = 12;
    GESTURE_LONG_PRESS = 13;
    GESTURE_LONG_TAP = 14;
    GESTURE_SHOW_PRESS = 15;
    GESTURE_TAP = 16;
    GESTURE_TAP_CANCEL = 17;
    GESTURE_TAP_DOWN = 18;
    GESTURE_TAP_UNCONFIRMED = 19;
    GESTURE_TWO_FINGER_TAP = 20;
    FIRST_GESTURE_SCROLL_UPDATE = 21;
    MOUSE_DRAGGED = 22;
    GESTURE_PINCH_BEGIN = 23;
    GESTURE_PINCH_END = 24;
    GESTURE_PINCH_UPDATE = 25;
    INERTIAL_GESTURE_SCROLL_UPDATE = 26;
  }

  optional EventType event_type = 1;
}

message ProcessSingleton {
  enum RemoteProcessInteractionResult {
    INTERACTION_RESULT_UNSPECIFIED = 0;
    TERMINATE_FAILED = 1;
    REMOTE_PROCESS_NOT_FOUND = 2;
    TERMINATE_WAIT_TIMEOUT = 3;
    RUNNING_PROCESS_NOTIFY_ERROR = 4;
    TERMINATE_NOT_ENOUGH_PERMISSIONS = 5;
    REMOTE_PROCESS_SHUTTING_DOWN = 6;
    PROFILE_UNLOCKED = 7;
    PROFILE_UNLOCKED_BEFORE_KILL = 8;
    SAME_BROWSER_INSTANCE = 9;
    SAME_BROWSER_INSTANCE_BEFORE_KILL = 10;
    FAILED_TO_EXTRACT_PID = 11;
    INVALID_LOCK_FILE = 12;
    ORPHANED_LOCK_FILE = 13;
    USER_REFUSED_TERMINATION = 14;
    TERMINATE_SUCCEEDED = 100;
  }

  enum RemoteHungProcessTerminateReason {
    TERMINATE_REASON_UNSPECIFIED = 0;
    USER_ACCEPTED_TERMINATION = 1;
    NO_VISIBLE_WINDOW_FOUND = 2;
    NOTIFY_ATTEMPTS_EXCEEDED = 3;
    SOCKET_WRITE_FAILED = 4;
    SOCKET_READ_FAILED = 5;
  }

  optional RemoteProcessInteractionResult remote_process_interaction_result = 1;
  optional RemoteHungProcessTerminateReason remote_process_terminate_reason = 2;
}

message NavigationHandle {
  optional int64 navigation_id = 1;
  optional bool has_committed = 2;
  optional bool is_error_page = 3;
  optional FrameTreeNodeInfo frame_tree_node = 4;
  optional RenderFrameHost render_frame_host = 5;

  // Additional untyped debug information associated with this
  // NavigationHandle/Request, populated via TracedProto::AddDebugAnnotations
  // API.
  repeated DebugAnnotation debug_annotations = 99;
}

enum DeviceThermalState {
  DEVICE_THERMAL_STATE_UNKNOWN = 0;
  DEVICE_THERMAL_STATE_NOMINAL = 1;
  DEVICE_THERMAL_STATE_FAIR = 2;
  DEVICE_THERMAL_STATE_SERIOUS = 3;
  DEVICE_THERMAL_STATE_CRITICAL = 4;
}

message ChromeTrackEvent {
  // Extension range for Chrome: 1000-1999
  // Next ID: 1037
  extend TrackEvent {
    optional ChromeAppState chrome_app_state = 1000;

    optional ChromeMemoryPressureNotification
        chrome_memory_pressure_notification = 1001;

    optional ChromeTaskAnnotator chrome_task_annotator = 1002;

    optional ChromeBrowserContext chrome_browser_context = 1003;

    optional ChromeProfileDestroyer chrome_profile_destroyer = 1004;

    optional ChromeTaskPostedToDisabledQueue
        chrome_task_posted_to_disabled_queue = 1005;

    optional ChromeRasterTask chrome_raster_task = 1006;

    optional ChromeMessagePumpForUI chrome_message_pump_for_ui = 1007;

    optional RenderFrameImplDeletion render_frame_impl_deletion = 1008;

    optional ShouldSwapBrowsingInstancesResult
        should_swap_browsing_instances_result = 1009;

    optional FrameTreeNodeInfo frame_tree_node_info = 1010;

    optional ChromeHashedPerformanceMark chrome_hashed_performance_mark = 1011;

    optional RenderProcessHost render_process_host = 1012;
    optional RenderProcessHostCleanup render_process_host_cleanup = 1013;
    optional RenderProcessHostListener render_process_host_listener_changed =
        1014;
    optional ChildProcessLauncherPriority child_process_launcher_priority =
        1015;

    optional ResourceBundle resource_bundle = 1016;

    optional ChromeWebAppBadNavigate chrome_web_app_bad_navigate = 1017;

    optional ChromeExtensionId chrome_extension_id = 1018;

    optional SiteInstance site_instance = 1019;

    optional RenderViewHost render_view_host = 1020;

    optional RenderFrameProxyHost render_frame_proxy_host = 1021;

    optional AndroidViewDump android_view_dump = 1022;

    optional ParkableStringCompressInBackground
        parkable_string_compress_in_background = 1023;
    optional ParkableStringUnpark parkable_string_unpark = 1024;

    optional ChromeSamplingProfilerSampleCollected
        chrome_sampling_profiler_sample_completed = 1025;
    optional SendBeginMainFrameToCommitBreakdown
        send_begin_mainframe_to_commit_breakdown = 1026;

    optional GlobalRenderFrameHostId global_render_frame_host_id = 1027;

    optional RenderFrameHost render_frame_host = 1028;

    optional ChromeThreadPoolTask thread_pool_task = 1029;

    optional BackForwardCacheCanStoreDocumentResult
        back_forward_cache_can_store_document_result = 1030;

    optional RendererMainThreadTaskExecution
        renderer_main_thread_task_execution = 1031;

    optional EventLatency event_latency = 1032;

    optional ProcessSingleton process_singleton = 1033;

    optional SiteInstanceGroup site_instance_group = 1034;

    optional BrowsingContextState browsing_context_state = 1035;

    optional DeviceThermalState device_thermal_state = 1036;

    optional NavigationHandle navigation = 1037;
  }
}