cc: Fix header include guards.

cc/image_layer_updater.h

 // 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.
 
-#ifndef ImageLayerUpdater_h
-#define ImageLayerUpdater_h
+#ifndef CC_IMAGE_LAYER_UPDATER_H_
+#define CC_IMAGE_LAYER_UPDATER_H_
 
 #include "cc/layer_updater.h"
 
 namespace cc {
 
 class ResourceUpdateQueue;
 
 class ImageLayerUpdater : public LayerUpdater {
 public:
     class Resource : public LayerUpdater::Resource {
@@ skipping 19 matching lines @@
 
     void setBitmap(const SkBitmap&);
 
 private:
     ImageLayerUpdater() { }
     virtual ~ImageLayerUpdater() { }
 
     SkBitmap m_bitmap;
 };
 
-}
+}  // namespace cc
 
-#endif
+#endif  // CC_IMAGE_LAYER_UPDATER_H_