Fix sky include guards to match Chromium style

sky/engine/platform/graphics/cpu/arm/WebGLImageConversionNEON.h

 /*
  * Copyright (C) 2012 Gabor Rapcsanyi (rgabor@inf.u-szeged.hu), University of Szeged
  *
  * 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 UNIVERSITY OF SZEGED ``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 UNIVERSITY OF SZEGED 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 WebGLImageConversionNEON_h
-#define WebGLImageConversionNEON_h
+#ifndef SKY_ENGINE_PLATFORM_GRAPHICS_CPU_ARM_WEBGLIMAGECONVERSIONNEON_H_
+#define SKY_ENGINE_PLATFORM_GRAPHICS_CPU_ARM_WEBGLIMAGECONVERSIONNEON_H_
 
 #if HAVE(ARM_NEON_INTRINSICS)
 
 #include <arm_neon.h>
 
 namespace blink {
 
 namespace SIMD {
 
 ALWAYS_INLINE void unpackOneRowOfRGBA16LittleToRGBA8(const uint16_t*& source, uint8_t*& destination, unsigned& pixelsPerRow)
@@ skipping 256 matching lines @@
     destination += componentsSize / 4;
     pixelsPerRow = tailComponents / 4;
 }
 
 } // namespace SIMD
 
 } // namespace blink
 
 #endif // HAVE(ARM_NEON_INTRINSICS)
 
-#endif // WebGLImageConversionNEON_h
+#endif  // SKY_ENGINE_PLATFORM_GRAPHICS_CPU_ARM_WEBGLIMAGECONVERSIONNEON_H_