Rename WebCore namespace to blink in Platform

Source/platform/graphics/GraphicsContextAnnotation.h

 /*
  * Copyright (C) 2013 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 16 matching lines @@
  * (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 GraphicsContextAnnotation_h
 #define GraphicsContextAnnotation_h
 
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 
-namespace WebCore {
+namespace blink {
 
 enum AnnotationMode {
     AnnotateRendererName    = 1 << 0,
     AnnotatePaintPhase      = 1 << 1,
     AnnotateElementId       = 1 << 2,
     AnnotateElementClass    = 1 << 3,
     AnnotateElementTag      = 1 << 4,
     AnnotateInspectorId     = 1 << 5,
 
     AnnotateAll             = 0x3f
 };
 
 typedef unsigned AnnotationModeFlags;
 typedef Vector<std::pair<const char*, String> > AnnotationList;
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // GraphicsContextAnnotation_h