Merge "Project import generated by Copybara."
diff --git a/protos/third_party/chromium/chrome_track_event.proto b/protos/third_party/chromium/chrome_track_event.proto
index 911dbe0..546e22b 100644
--- a/protos/third_party/chromium/chrome_track_event.proto
+++ b/protos/third_party/chromium/chrome_track_event.proto
@@ -1034,6 +1034,7 @@
optional string stack_trace = 6;
repeated V8StackFrame stack_frames = 7;
}
+
// Contains the meta information for high entropy events (like api calls)
// that are to be traced for debugging in the context of identifiability study.
message BlinkHighEntropyAPI {
@@ -1070,9 +1071,44 @@
optional CalledJsApi called_api = 2;
}
+// Contains information about a tab switch measurement.
+message TabSwitchMeasurement {
+ // Possible outcomes of a tab switch. Maps to
+ // blink::ContentToVisibleTimeReporter::TabSwitchResult.
+ enum Result {
+ RESULT_UNSPECIFIED = 0;
+ // A frame was successfully presented after a tab switch.
+ RESULT_SUCCESS = 1;
+ // Tab was hidden before a frame was presented after a tab switch.
+ RESULT_INCOMPLETE = 2;
+ // TabWasShown called twice for a frame without TabWasHidden between. Treat
+ // the first TabWasShown as an incomplete tab switch.
+ RESULT_MISSED_TAB_HIDE = 3;
+ }
+
+ // State of the target tab. Corresponds to the suffixes of the
+ // Browser.TabSwitchResult2.* histograms.
+ enum TabState {
+ STATE_UNSPECIFIED = 0;
+ // The tab has frames in the frame cache, which can be composited in the
+ // browser process.
+ STATE_WITH_SAVED_FRAMES = 1;
+ // The tab has no frames in the frame cache so must be rendered and
+ // composited in a renderer process.
+ STATE_LOADED_NO_SAVED_FRAMES = 2;
+ // The tab has no frames in the frame cache and is not fully loaded, so it
+ // must be reloaded before it can be rendered and composited in a renderer
+ // process.
+ STATE_NOT_LOADED_NO_SAVED_FRAMES = 3;
+ }
+
+ optional Result result = 1;
+ optional TabState tab_state = 2;
+}
+
message ChromeTrackEvent {
// Extension range for Chrome: 1000-1999
- // Next ID: 1046
+ // Next ID: 1047
extend TrackEvent {
optional ChromeAppState chrome_app_state = 1000;
@@ -1170,5 +1206,7 @@
optional UkmPageLoadTimingUpdate ukm_page_load_timing_update = 1044;
optional BlinkHighEntropyAPI high_entropy_api = 1045;
+
+ optional TabSwitchMeasurement tab_switch_measurement = 1046;
}
}
