Clean up LatencyInfo and RWHLatencyTracker.

ui/events/mojo/latency_info.mojom

 // Copyright 2016 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.
 
 module ui.mojom;
 
 import "mojo/common/time.mojom";
 import "ui/gfx/geometry/mojo/geometry.mojom";
 
 enum LatencyComponentType {
@@ skipping 38 matching lines @@
   // from the renderer.
   INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT,
   // Timestamp of when the gpu service began swap buffers, unlike
   // INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT which measures after.
   INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT,
   // Timestamp of when the gesture scroll update is generated from a mouse wheel
   // event.
   INPUT_EVENT_LATENCY_GENERATE_SCROLL_UPDATE_FROM_MOUSE_WHEEL,
   // ---------------------------TERMINAL COMPONENT-----------------------------
   // TERMINAL COMPONENT is when we show the latency end in chrome://tracing.
-  // Timestamp when the mouse event is acked from renderer and it does not
-  // cause any rendering scheduled.
-  INPUT_EVENT_LATENCY_TERMINATED_MOUSE_COMPONENT,
-  // Timestamp when the mouse wheel event is acked from renderer and it does not
-  // cause any rendering scheduled.
-  INPUT_EVENT_LATENCY_TERMINATED_MOUSE_WHEEL_COMPONENT,
-  // Timestamp when the keyboard event is acked from renderer and it does not
-  // cause any rendering scheduled.
-  INPUT_EVENT_LATENCY_TERMINATED_KEYBOARD_COMPONENT,
-  // Timestamp when the touch event is acked from renderer and it does not
-  // cause any rendering scheduled and does not generate any gesture event.
-  INPUT_EVENT_LATENCY_TERMINATED_TOUCH_COMPONENT,
-  // Timestamp when the gesture event is acked from renderer, and it does not
-  // cause any rendering scheduled.
-  INPUT_EVENT_LATENCY_TERMINATED_GESTURE_COMPONENT,
+  // Timestamp when the event is acked from renderer when it does not
+  // cause any rendering to be scheduled.
+  INPUT_EVENT_LATENCY_TERMINATED_NO_SWAP_COMPONENT,
   // Timestamp when the frame is swapped (i.e. when the rendering caused by
   // input event actually takes effect).
   INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT,
   // This component indicates that the input causes a commit to be scheduled
   // but the commit failed.
   INPUT_EVENT_LATENCY_TERMINATED_COMMIT_FAILED_COMPONENT,
   // This component indicates that the input causes a commit to be scheduled
   // but the commit was aborted since it carried no new information.
   INPUT_EVENT_LATENCY_TERMINATED_COMMIT_NO_UPDATE_COMPONENT,
   // This component indicates that the input causes a swap to be scheduled
@@ skipping 26 matching lines @@
 
 // See ui/events/latency_info.h
 struct LatencyInfo {
   string trace_name;
   array<LatencyComponentPair> latency_components;
   array<gfx.mojom.PointF> input_coordinates;
   int64 trace_id;
   bool coalesced;
   bool terminated;
 };