cc: Fix header include guards of our header files.

cc/font_atlas.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 CCFontAtlas_h
-#define CCFontAtlas_h
+#ifndef CC_FONT_ATLAS_H_
+#define CC_FONT_ATLAS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "cc/cc_export.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/gfx/rect.h"
 
@@ skipping 39 matching lines @@
 
     int m_fontHeight;
 
     base::ThreadChecker m_threadChecker;
 
     DISALLOW_COPY_AND_ASSIGN(FontAtlas);
 };
 
 }  // namespace cc
 
-#endif
+#endif  // CC_FONT_ATLAS_H_