Cleanup: Fix content header include guards.

content/public/browser/android/content_view_layer_renderer.h

 // 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.
 
-#ifndef CONTENT_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_LAYER_RENDERER_H
-#define CONTENT_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_LAYER_RENDERER_H
+#ifndef CONTENT_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_LAYER_RENDERER_H_
+#define CONTENT_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_LAYER_RENDERER_H_
 
 // This interface is used by consumers of the ContentViewRenderView to
 // attach/detach layers.
 
 namespace blink {
 class WebLayer;
 }
 
 namespace content {
 
 class ContentViewLayerRenderer {
  public:
   virtual void AttachLayer(blink::WebLayer* layer) = 0;
   virtual void DetachLayer(blink::WebLayer* layer) = 0;
 
  protected:
   virtual ~ContentViewLayerRenderer() {}
 };
 
 }  // namespace content
 
-#endif  // CONTENT_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_LAYER_RENDERER_H
+#endif  // CONTENT_PUBLIC_BROWSER_ANDROID_CONTENT_VIEW_LAYER_RENDERER_H_