Fix sky include guards to match Chromium style

sky/engine/core/editing/EditingBehavior.h

 /*
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2010 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 EditingBehavior_h
-#define EditingBehavior_h
+#ifndef SKY_ENGINE_CORE_EDITING_EDITINGBEHAVIOR_H_
+#define SKY_ENGINE_CORE_EDITING_EDITINGBEHAVIOR_H_
 
 namespace blink {
 class KeyboardEvent;
 
 class EditingBehavior {
 
 public:
     explicit EditingBehavior()
     {
     }
@@ skipping 57 matching lines @@
 
     // Convert a KeyboardEvent to a command name like "Copy", "Undo" and so on.
     // If nothing, return empty string.
     const char* interpretKeyEvent(const KeyboardEvent&) const;
 
     bool shouldInsertCharacter(const KeyboardEvent&) const;
 };
 
 } // namespace blink
 
-#endif // EditingBehavior_h
+#endif  // SKY_ENGINE_CORE_EDITING_EDITINGBEHAVIOR_H_