Fix sky include guards to match Chromium style

sky/engine/core/frame/FrameView.h

 /*
    Copyright (C) 1997 Martin Jones (mjones@kde.org)
              (C) 1998 Waldo Bastian (bastian@kde.org)
              (C) 1998, 1999 Torben Weis (weis@kde.org)
              (C) 1999 Lars Knoll (knoll@kde.org)
              (C) 1999 Antti Koivisto (koivisto@kde.org)
    Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
    Boston, MA 02110-1301, USA.
 */
 
-#ifndef FrameView_h
-#define FrameView_h
+#ifndef SKY_ENGINE_CORE_FRAME_FRAMEVIEW_H_
+#define SKY_ENGINE_CORE_FRAME_FRAMEVIEW_H_
 
 #include "gen/sky/platform/RuntimeEnabledFeatures.h"
 #include "sky/engine/core/rendering/PaintPhase.h"
 #include "sky/engine/platform/HostWindow.h"
 #include "sky/engine/platform/Widget.h"
 #include "sky/engine/platform/geometry/LayoutRect.h"
 #include "sky/engine/platform/graphics/Color.h"
 #include "sky/engine/platform/scroll/ScrollableArea.h"
 #include "sky/engine/wtf/Forward.h"
 #include "sky/engine/wtf/HashSet.h"
@@ skipping 294 matching lines @@
 
         m_view->setCanInvalidatePaintDuringPerformLayout(m_originalValue);
     }
 private:
     FrameView* m_view;
     bool m_originalValue;
 };
 
 } // namespace blink
 
-#endif // FrameView_h
+#endif  // SKY_ENGINE_CORE_FRAME_FRAMEVIEW_H_