cc: Block commit on activate by setting a flag on LayerTreeHost.

cc/trees/layer_tree_host.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/layer_tree_host.h"
 
 #include <algorithm>
 #include <stack>
 
 #include "base/bind.h"
@@ skipping 500 matching lines @@
 void LayerTreeHost::SetNeedsRedrawRect(gfx::Rect damage_rect) {
   proxy_->SetNeedsRedraw(damage_rect);
   if (!proxy_->HasImplThread())
     client_->ScheduleComposite();
 }
 
 bool LayerTreeHost::CommitRequested() const {
   return proxy_->CommitRequested();
 }
 
+void LayerTreeHost::SetNextCommitWaitsForActivation() {
+  proxy_->SetNextCommitWaitsForActivation();
+}
+
 void LayerTreeHost::SetAnimationEvents(scoped_ptr<AnimationEventsVector> events,
                                        base::Time wall_clock_time) {
   DCHECK(proxy_->IsMainThread());
   for (size_t event_index = 0; event_index < events->size(); ++event_index) {
     int event_layer_id = (*events)[event_index].layer_id;
 
     // Use the map of all controllers, not just active ones, since non-active
     // controllers may still receive events for impl-only animations.
     const AnimationRegistrar::AnimationControllerMap& animation_controllers =
         animation_registrar_->all_animation_controllers();
@@ skipping 551 matching lines @@
   // Top controls are only used in threaded mode.
   proxy_->ImplThreadTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&TopControlsManager::UpdateTopControlsState,
                  top_controls_manager_weak_ptr_,
                  constraints,
                  current,
                  animate));
 }
 
-bool LayerTreeHost::BlocksPendingCommit() const {
-  if (!root_layer_.get())
-    return false;
-  return root_layer_->BlocksPendingCommitRecursive();
-}
-
 scoped_ptr<base::Value> LayerTreeHost::AsValue() const {
   scoped_ptr<base::DictionaryValue> state(new base::DictionaryValue());
   state->Set("proxy", proxy_->AsValue().release());
   return state.PassAs<base::Value>();
 }
 
 void LayerTreeHost::AnimateLayers(base::TimeTicks time) {
   rendering_stats_instrumentation_->IncrementAnimationFrameCount();
   if (!settings_.accelerated_animation_enabled ||
       animation_registrar_->active_animation_controllers().empty())
@@ skipping 61 matching lines @@
 void LayerTreeHost::DidLoseUIResources() {
   // When output surface is lost, we need to recreate the resource.
   for (UIResourceClientMap::iterator iter = ui_resource_client_map_.begin();
        iter != ui_resource_client_map_.end();
        ++iter) {
     UIResourceLost(iter->first);
   }
 }
 
 }  // namespace cc