cc: Test losing the output surface during deferred commits.

cc/test/layer_tree_test.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/test/layer_tree_test.h"
 
 #include "base/command_line.h"
 #include "cc/animation/animation.h"
 #include "cc/animation/animation_registrar.h"
 #include "cc/animation/layer_animation_controller.h"
@@ skipping 57 matching lines @@
 
  private:
   TestHooks* test_hooks_;
 
   virtual void ScheduledActionBeginOutputSurfaceCreation() OVERRIDE {
     ThreadProxy::ScheduledActionBeginOutputSurfaceCreation();
     test_hooks_->ScheduledActionBeginOutputSurfaceCreation();
   }
 
   virtual void ScheduledActionSendBeginMainFrame() OVERRIDE {
+    test_hooks_->ScheduledActionWillSendBeginMainFrame();
     ThreadProxy::ScheduledActionSendBeginMainFrame();
     test_hooks_->ScheduledActionSendBeginMainFrame();
   }
 
   virtual void ScheduledActionCommit() OVERRIDE {
     ThreadProxy::ScheduledActionCommit();
     test_hooks_->ScheduledActionCommit();
   }
 
   virtual DrawResult ScheduledActionDrawAndSwapIfPossible() OVERRIDE {
@@ skipping 648 matching lines @@
   return -1;
 }
 
 void LayerTreeTest::DestroyLayerTreeHost() {
   if (layer_tree_host_ && layer_tree_host_->root_layer())
     layer_tree_host_->root_layer()->SetLayerTreeHost(NULL);
   layer_tree_host_.reset();
 }
 
 }  // namespace cc