Rename WebCore namespace to blink in Public

public/platform/WebPrerender.h

Index: public/platform/WebPrerender.h
diff --git a/public/platform/WebPrerender.h b/public/platform/WebPrerender.h
index eb77bf9e1662a862698aa469b2c96620bab0dd94..f5f23a813877e7964aa8bfb3d85822012cac9fd1 100644
--- a/public/platform/WebPrerender.h
+++ b/public/platform/WebPrerender.h
@@ -41,7 +41,7 @@
 #include "wtf/PassRefPtr.h"
 #endif
 
-namespace WebCore {
+namespace blink {
 class Prerender;
 }
 
@@ -70,9 +70,9 @@ public:
     }
 
 #if INSIDE_BLINK
-    BLINK_PLATFORM_EXPORT explicit WebPrerender(PassRefPtr<WebCore::Prerender>);
+    BLINK_PLATFORM_EXPORT explicit WebPrerender(PassRefPtr<blink::Prerender>);
 
-    BLINK_PLATFORM_EXPORT const WebCore::Prerender* toPrerender() const;
+    BLINK_PLATFORM_EXPORT const blink::Prerender* toPrerender() const;
 #endif
 
     BLINK_PLATFORM_EXPORT void reset();
@@ -93,7 +93,7 @@ public:
     BLINK_PLATFORM_EXPORT void didSendDOMContentLoadedForPrerender();
 
 private:
-    WebPrivatePtr<WebCore::Prerender> m_private;
+    WebPrivatePtr<blink::Prerender> m_private;
 };
 
 } // namespace blink