Fix sky include guards to match Chromium style

sky/engine/platform/geometry/RoundedRect.h

 /*
  * Copyright (C) 2003, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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  */
 
-#ifndef RoundedRect_h
-#define RoundedRect_h
+#ifndef SKY_ENGINE_PLATFORM_GEOMETRY_ROUNDEDRECT_H_
+#define SKY_ENGINE_PLATFORM_GEOMETRY_ROUNDEDRECT_H_
 
 #include "sky/engine/platform/geometry/FloatQuad.h"
 #include "sky/engine/platform/geometry/IntRect.h"
 
 namespace blink {
 
 // This class is used to represent rectangles with rounded corners. It is only
 // used for painting. It uses integer units because using layout units leads to
 // blurry rounded corners.
 class PLATFORM_EXPORT RoundedRect {
@@ skipping 81 matching lines @@
 }
 
 inline bool operator==(const RoundedRect& a, const RoundedRect& b)
 {
     return a.rect() == b.rect() && a.radii() == b.radii();
 }
 
 
 } // namespace blink
 
-#endif // RoundedRect_h
+#endif  // SKY_ENGINE_PLATFORM_GEOMETRY_ROUNDEDRECT_H_