Fix sky include guards to match Chromium style

sky/engine/public/web/WebFont.h

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR 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
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WebFont_h
-#define WebFont_h
+#ifndef SKY_ENGINE_PUBLIC_WEB_WEBFONT_H_
+#define SKY_ENGINE_PUBLIC_WEB_WEBFONT_H_
 
 #include "../platform/WebCanvas.h"
 #include "../platform/WebColor.h"
 #include "../platform/WebCommon.h"
 
 namespace blink {
 
 struct WebFontDescription;
 struct WebFloatPoint;
 struct WebFloatRect;
@@ skipping 47 matching lines @@
     // To get the pixel offset of some character (the opposite of
     // offsetForPosition()), pass in a |leftBaseline| = (0, 0), |from| = 0, and
     // |to| = the character you want. The right edge of the resulting selection
     // rect will tell you the right side of the character.
     virtual WebFloatRect selectionRectForText(const WebTextRun&, const WebFloatPoint& leftBaseline,
                                               int height, int from = 0, int to = -1) const = 0;
 };
 
 } // namespace blink
 
-#endif
+#endif  // SKY_ENGINE_PUBLIC_WEB_WEBFONT_H_