cc: Implement DelegatingRender::drawFrame() method.

cc/layer_tree_host_unittest_animation.cc

 // Copyright 2012 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/layer_tree_host.h"
 
 #include "cc/animation_curve.h"
 #include "cc/layer.h"
 #include "cc/layer_animation_controller.h"
 #include "cc/layer_impl.h"
@@ skipping 162 matching lines @@
       base::TimeTicks monotonicTime,
       bool hasUnfinishedAnimation) OVERRIDE {
     started_animating_ = true;
   }
 
   virtual void drawLayersOnThread(LayerTreeHostImpl*) OVERRIDE {
     if (started_animating_)
       endTest();
   }
 
-  virtual bool prepareToDrawOnThread(LayerTreeHostImpl*) OVERRIDE {
+  virtual bool prepareToDrawOnThread(
+      LayerTreeHostImpl* host_impl,
+      LayerTreeHostImpl::FrameData& frame,
+      bool result) OVERRIDE {
     return false;
   }
 
   virtual void afterTest() OVERRIDE {}
 
  private:
   bool started_animating_;
 };
 
 // Starvation can only be an issue with the MT compositor.
@@ skipping 338 matching lines @@
 
  private:
   int num_commit_complete_;
   int num_draw_layers_;
 };
 
 MULTI_THREAD_TEST_F(LayerTreeHostAnimationTestContinuousAnimate)
 
 }  // namespace
 }  // namespace cc