Rename WebCore namespace to blink in Platform

Source/platform/fonts/FontData.h

Index: Source/platform/fonts/FontData.h
diff --git a/Source/platform/fonts/FontData.h b/Source/platform/fonts/FontData.h
index a24d7030ebd959f2143bcb9c8009841df1fcfbd9..834290676ef04955ef5e9b98c4263829183c7289 100644
--- a/Source/platform/fonts/FontData.h
+++ b/Source/platform/fonts/FontData.h
@@ -34,7 +34,7 @@
 #include "wtf/RefCounted.h"
 #include "wtf/unicode/Unicode.h"
 
-namespace WebCore {
+namespace blink {
 
 class SimpleFontData;
 
@@ -71,6 +71,6 @@ private:
     template<typename T> inline thisType* to##thisType(const RefPtr<T>& fontData) { return to##thisType(fontData.get()); } \
     DEFINE_TYPE_CASTS(thisType, FontData, fontData, fontData->isSegmented() == predicate, fontData.isSegmented() == predicate)
 
-} // namespace WebCore
+} // namespace blink
 
 #endif // FontData_h