Fix sky include guards to match Chromium style

sky/engine/platform/text/UnicodeRange.h

 /*
  * Copyright (C) 2007 Apple Computer, Inc.
  *
  * Portions are Copyright (C) 1998 Netscape Communications Corporation.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
  * version 2.1 of the License, or (at your option) any later version.
  *
@@ skipping 14 matching lines @@
  * applicable instead of those above.  If you wish to allow use of your
  * version of this file only under the terms of one of those two
  * licenses (the MPL or the GPL) and not to allow others to use your
  * version of this file under the LGPL, indicate your decision by
  * deletingthe provisions above and replace them with the notice and
  * other provisions required by the MPL or the GPL, as the case may be.
  * If you do not delete the provisions above, a recipient may use your
  * version of this file under any of the LGPL, the MPL or the GPL.
  */
 
-#ifndef UnicodeRange_h
-#define UnicodeRange_h
+#ifndef SKY_ENGINE_PLATFORM_TEXT_UNICODERANGE_H_
+#define SKY_ENGINE_PLATFORM_TEXT_UNICODERANGE_H_
 
 #include "sky/engine/platform/PlatformExport.h"
 #include "sky/engine/wtf/unicode/Unicode.h"
 
 namespace blink {
 
 // The following constants define unicode subranges
 // values below cRangeNum must be continuous so that we can map to
 // a lang group directly.
 // All ranges we care about should fit within 32 bits.
@@ skipping 62 matching lines @@
 const unsigned char   cRangeTableBase   = 128; // values over 127 are reserved for internal use only
 const unsigned char   cRangeTertiaryTable  = 145; // leave room for 16 subtable indices (cRangeTableBase + 1 .. cRangeTableBase + 16)
 
 
 
 PLATFORM_EXPORT unsigned findCharUnicodeRange(UChar32);
 PLATFORM_EXPORT const char* langGroupFromUnicodeRange(unsigned char unicodeRange);
 
 }
 
-#endif // UnicodeRange_h
+#endif  // SKY_ENGINE_PLATFORM_TEXT_UNICODERANGE_H_