Update WebLayerTreeViewClient overrides for WebKit API change

ui/gfx/compositor/compositor_cc.cc

 // Copyright (c) 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 "ui/gfx/compositor/compositor_cc.h"
 
 #include "base/command_line.h"
 #include "third_party/skia/include/images/SkImageEncoder.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCompositor.h"
@@ skipping 219 matching lines @@
                                  gfx::Rect(new_origin, bounds.size()))) {
     SwizzleRGBAToBGRAAndFlip(pixels, bounds.size());
     return true;
   }
   return false;
 }
 
 void CompositorCC::animateAndLayout(double frameBeginTime) {
 }
 
+void CompositorCC::updateAnimations(double frameBeginTime) {
+}
+
+void CompositorCC::layout() {
+}
+
 void CompositorCC::applyScrollAndScale(const WebKit::WebSize& scrollDelta,
                                        float scaleFactor) {
 }
 
 void CompositorCC::applyScrollDelta(const WebKit::WebSize&) {
 }
 
 WebKit::WebGraphicsContext3D* CompositorCC::createContext3D() {
   WebKit::WebGraphicsContext3D* context;
   if (test_context_enabled) {
@@ skipping 36 matching lines @@
       switches::kDisableTestCompositor)) {
     test_context_enabled = true;
   }
 }
 
 COMPOSITOR_EXPORT void DisableTestCompositor() {
   test_context_enabled = false;
 }
 
 }  // namespace ui