Rename WebCore namespace to blink in Public

public/web/WebDocument.h

Index: public/web/WebDocument.h
diff --git a/public/web/WebDocument.h b/public/web/WebDocument.h
index d0f0b6f6c35513a6571e9496f6a4428d2b17ae3b..1123eb901025ce1c97df854306d1cbddcb6d3238 100644
--- a/public/web/WebDocument.h
+++ b/public/web/WebDocument.h
@@ -40,7 +40,7 @@
 #include "WebSecurityOrigin.h"
 
 #if BLINK_IMPLEMENTATION
-namespace WebCore {
+namespace blink {
 class Document;
 class DocumentType;
 }
@@ -137,9 +137,9 @@ public:
     BLINK_EXPORT v8::Handle<v8::Value> registerEmbedderCustomElement(const WebString& name, v8::Handle<v8::Value> options, WebExceptionCode&);
 
 #if BLINK_IMPLEMENTATION
-    WebDocument(const PassRefPtrWillBeRawPtr<WebCore::Document>&);
-    WebDocument& operator=(const PassRefPtrWillBeRawPtr<WebCore::Document>&);
-    operator PassRefPtrWillBeRawPtr<WebCore::Document>() const;
+    WebDocument(const PassRefPtrWillBeRawPtr<blink::Document>&);
+    WebDocument& operator=(const PassRefPtrWillBeRawPtr<blink::Document>&);
+    operator PassRefPtrWillBeRawPtr<blink::Document>() const;
 #endif
 };