Plumbing input event latency reporting through Mus GPU.

ui/latency/latency_info.cc

 // Copyright 2013 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.
 
 #include "ui/latency/latency_info.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <string>
@@ skipping 19 matching lines @@
     CASE_TYPE(INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT);
     CASE_TYPE(INPUT_EVENT_LATENCY_UI_COMPONENT);
     CASE_TYPE(INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_MAIN_COMPONENT);
     CASE_TYPE(INPUT_EVENT_LATENCY_RENDERING_SCHEDULED_IMPL_COMPONENT);
     CASE_TYPE(INPUT_EVENT_LATENCY_FORWARD_SCROLL_UPDATE_TO_MAIN_COMPONENT);
     CASE_TYPE(INPUT_EVENT_LATENCY_ACK_RWH_COMPONENT);
     CASE_TYPE(BROWSER_SNAPSHOT_FRAME_NUMBER_COMPONENT);
     CASE_TYPE(TAB_SHOW_COMPONENT);
     CASE_TYPE(INPUT_EVENT_LATENCY_RENDERER_MAIN_COMPONENT);
     CASE_TYPE(INPUT_EVENT_LATENCY_RENDERER_SWAP_COMPONENT);
-    CASE_TYPE(INPUT_EVENT_BROWSER_RECEIVED_RENDERER_SWAP_COMPONENT);
+    CASE_TYPE(DISPLAY_COMPOSITOR_RECEIVED_FRAME_COMPONENT);
     CASE_TYPE(INPUT_EVENT_GPU_SWAP_BUFFER_COMPONENT);
     CASE_TYPE(INPUT_EVENT_LATENCY_GENERATE_SCROLL_UPDATE_FROM_MOUSE_WHEEL);
     CASE_TYPE(INPUT_EVENT_LATENCY_TERMINATED_NO_SWAP_COMPONENT);
     CASE_TYPE(INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT);
     CASE_TYPE(INPUT_EVENT_LATENCY_TERMINATED_COMMIT_FAILED_COMPONENT);
     CASE_TYPE(INPUT_EVENT_LATENCY_TERMINATED_COMMIT_NO_UPDATE_COMPONENT);
     CASE_TYPE(INPUT_EVENT_LATENCY_TERMINATED_SWAP_FAILED_COMPONENT);
     default:
       DLOG(WARNING) << "Unhandled LatencyComponentType.\n";
       break;
@@ skipping 297 matching lines @@
                               LatencyComponent* output) const {
   LatencyMap::const_iterator it = latency_components_.find(
       std::make_pair(type, id));
   if (it == latency_components_.end())
     return false;
   if (output)
     *output = it->second;
   return true;
 }
 
+bool LatencyInfo::FindLatency(LatencyComponentType type,
+                              LatencyComponent* output) const {
+  LatencyMap::const_iterator it = latency_components_.begin();
+  while (it != latency_components_.end()) {
+    if (it->first.first == type) {
+      if (output)
+        *output = it->second;
+      return true;
+    }
+    it++;
+  }
+  return false;
+}
+
 void LatencyInfo::RemoveLatency(LatencyComponentType type) {
   LatencyMap::iterator it = latency_components_.begin();
   while (it != latency_components_.end()) {
     if (it->first.first == type)
       it = latency_components_.erase(it);
     else
       it++;
   }
 }
 
 bool LatencyInfo::AddInputCoordinate(const gfx::PointF& input_coordinate) {
   if (input_coordinates_size_ >= kMaxInputCoordinates)
     return false;
   input_coordinates_[input_coordinates_size_++] = input_coordinate;
   return true;
 }
 
 }  // namespace ui