Rename WebCore namespace to blink in Public

public/web/WebFontDescription.h

Index: public/web/WebFontDescription.h
diff --git a/public/web/WebFontDescription.h b/public/web/WebFontDescription.h
index b7b29ba0e119a288c304ade7bf50ee37495a6e64..369599355123207458972037dff9c712e82c126e 100644
--- a/public/web/WebFontDescription.h
+++ b/public/web/WebFontDescription.h
@@ -34,7 +34,7 @@
 #include "../platform/WebString.h"
 
 #if BLINK_IMPLEMENTATION
-namespace WebCore { class FontDescription; }
+namespace blink { class FontDescription; }
 #endif
 
 namespace blink {
@@ -95,9 +95,9 @@ struct WebFontDescription {
     short wordSpacing;
 
 #if BLINK_IMPLEMENTATION
-    WebFontDescription(const WebCore::FontDescription&);
+    WebFontDescription(const blink::FontDescription&);
 
-    operator WebCore::FontDescription() const;
+    operator blink::FontDescription() const;
 #endif
 };