Rename WebCore namespace to blink in Public

public/platform/WebIDBMetadata.h

 /*
  * Copyright (C) 2012 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:
  *
  * 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
@@ skipping 13 matching lines @@
  */
 
 #ifndef WebIDBMetadata_h
 #define WebIDBMetadata_h
 
 #include "WebCommon.h"
 #include "WebIDBKeyPath.h"
 #include "WebString.h"
 #include "WebVector.h"
 
-namespace WebCore {
+namespace blink {
 struct IDBDatabaseMetadata;
 }
 
 namespace blink {
 
 struct WebIDBMetadata {
     enum {
         NoIntVersion = -1
     };
     struct Index;
@@ skipping 29 matching lines @@
         bool unique;
         bool multiEntry;
         long long id;
         Index()
             : keyPath(WebIDBKeyPath::createNull())
             , unique(false)
             , multiEntry(false) { }
     };
 
 #if BLINK_IMPLEMENTATION
-    WebIDBMetadata(const WebCore::IDBDatabaseMetadata&);
-    operator WebCore::IDBDatabaseMetadata() const;
+    WebIDBMetadata(const blink::IDBDatabaseMetadata&);
+    operator blink::IDBDatabaseMetadata() const;
 #endif
 };
 
 
 } // namespace blink
 
 #endif // WebIDBMetadata_h