cc: Add SwapAck watchdog.

cc/trees/proxy_impl.cc

 // Copyright 2015 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/proxy_impl.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/auto_reset.h"
@@ skipping 56 matching lines @@
   DCHECK(!smoothness_priority_expiration_notifier_.delay().is_zero());
 
   layer_tree_host_impl_ = layer_tree_host->CreateLayerTreeHostImpl(this);
 
   SchedulerSettings scheduler_settings(
       layer_tree_host->settings().ToSchedulerSettings());
 
   std::unique_ptr<CompositorTimingHistory> compositor_timing_history(
       new CompositorTimingHistory(
           scheduler_settings.using_synchronous_renderer_compositor,
+          scheduler_settings.swap_ack_watchdog_enabled,
           CompositorTimingHistory::RENDERER_UMA,
           rendering_stats_instrumentation_));
 
   BeginFrameSource* 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>(
             task_runner_provider_->ImplThreadTaskRunner())));
     frame_source = unthrottled_begin_frame_source_.get();
@@ skipping 579 matching lines @@
 bool ProxyImpl::IsMainThreadBlocked() const {
   return task_runner_provider_->IsMainThreadBlocked();
 }
 
 ProxyImpl::BlockedMainCommitOnly& ProxyImpl::blocked_main_commit() {
   DCHECK(IsMainThreadBlocked() && commit_completion_event_);
   return main_thread_blocked_commit_vars_unsafe_;
 }
 
 }  // namespace cc