Rename WebCore namespace to blink in Public

public/web/WebGeolocationPosition.h

Index: public/web/WebGeolocationPosition.h
diff --git a/public/web/WebGeolocationPosition.h b/public/web/WebGeolocationPosition.h
index 43ad42a6d42b27e0ddca8a4fe8a51e064c2e3bd4..b2ef457755a37c2ae40d0feba777ae86ec217792 100644
--- a/public/web/WebGeolocationPosition.h
+++ b/public/web/WebGeolocationPosition.h
@@ -29,7 +29,7 @@
 #include "../platform/WebCommon.h"
 #include "../platform/WebPrivatePtr.h"
 
-namespace WebCore { class GeolocationPosition; }
+namespace blink { class GeolocationPosition; }
 
 namespace blink {
 
@@ -48,13 +48,13 @@ public:
     BLINK_EXPORT void reset();
 
 #if BLINK_IMPLEMENTATION
-    WebGeolocationPosition(WebCore::GeolocationPosition*);
-    WebGeolocationPosition& operator=(WebCore::GeolocationPosition*);
-    operator WebCore::GeolocationPosition*() const;
+    WebGeolocationPosition(blink::GeolocationPosition*);
+    WebGeolocationPosition& operator=(blink::GeolocationPosition*);
+    operator blink::GeolocationPosition*() const;
 #endif
 
 private:
-    WebPrivatePtr<WebCore::GeolocationPosition> m_private;
+    WebPrivatePtr<blink::GeolocationPosition> m_private;
 };
 
 } // namespace blink