cc: Add SwapAck watchdog.

cc/trees/single_thread_proxy.cc

 // Copyright 2011 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 "cc/trees/single_thread_proxy.h"
 
 #include "base/auto_reset.h"
 #include "base/memory/ptr_util.h"
 #include "base/profiler/scoped_tracker.h"
 #include "base/trace_event/trace_event.h"
@@ skipping 53 matching lines @@
 
   if (layer_tree_host_->settings().single_thread_proxy_scheduler &&
       !scheduler_on_impl_thread_) {
     SchedulerSettings scheduler_settings(
         layer_tree_host_->settings().ToSchedulerSettings());
     scheduler_settings.commit_to_active_tree = CommitToActiveTree();
 
     std::unique_ptr<CompositorTimingHistory> compositor_timing_history(
         new CompositorTimingHistory(
             scheduler_settings.using_synchronous_renderer_compositor,
+            scheduler_settings.swap_ack_watchdog_enabled,
             CompositorTimingHistory::BROWSER_UMA,
             layer_tree_host_->rendering_stats_instrumentation()));
 
     BeginFrameSource* frame_source = nullptr;
     if (!layer_tree_host_->settings().use_output_surface_begin_frame_source) {
       frame_source = external_begin_frame_source_.get();
       if (!scheduler_settings.throttle_frame_production) {
         // Unthrottled source takes precedence over external sources.
         unthrottled_begin_frame_source_.reset(new BackToBackBeginFrameSource(
             base::MakeUnique<DelayBasedTimeSource>(
@@ skipping 802 matching lines @@
 void SingleThreadProxy::DidFinishImplFrame() {
   layer_tree_host_impl_->DidFinishImplFrame();
 #if DCHECK_IS_ON()
   DCHECK(inside_impl_frame_)
       << "DidFinishImplFrame called while not inside an impl frame!";
   inside_impl_frame_ = false;
 #endif
 }
 
 }  // namespace cc