cc: Fix header include guards of our header files.

cc/delegated_renderer_layer.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 DelegatedRendererLayerChromium_h
-#define DelegatedRendererLayerChromium_h
+#ifndef CC_DELEGATED_RENDERER_LAYER_H_
+#define CC_DELEGATED_RENDERER_LAYER_H_
 
 #include "cc/cc_export.h"
 #include "cc/layer.h"
 
 namespace cc {
 
 class CC_EXPORT DelegatedRendererLayer : public Layer {
 public:
     static scoped_refptr<DelegatedRendererLayer> create();
 
     virtual scoped_ptr<LayerImpl> createLayerImpl() OVERRIDE;
 
 protected:
     DelegatedRendererLayer();
 
 private:
     virtual ~DelegatedRendererLayer();
 };
 
 }
-#endif
+#endif  // CC_DELEGATED_RENDERER_LAYER_H_