Rename WebCore namespace to blink in Platform

Source/platform/fonts/FontWidthVariant.h

 /*
  * Copyright (C) 2011 Apple 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:
  * 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
@@ skipping 10 matching lines @@
  * 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 FontWidthVariant_h
 #define FontWidthVariant_h
 
 #include "wtf/Assertions.h"
 
-namespace WebCore {
+namespace blink {
 
 enum FontWidthVariant {
     RegularWidth,
     HalfWidth,
     ThirdWidth,
     QuarterWidth,
     LastFontWidthVariant = QuarterWidth
 };
 
 const unsigned FontWidthVariantWidth = 2;
 
 COMPILE_ASSERT(LastFontWidthVariant >> FontWidthVariantWidth == 0, FontWidthVariantWidth_is_correct);
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // FontWidthVariant_h