Rename WebCore namespace to blink in bindings and web

Source/web/PageOverlay.h

Index: Source/web/PageOverlay.h
diff --git a/Source/web/PageOverlay.h b/Source/web/PageOverlay.h
index 241c838808e90bc441daff5274df70768c792982..d35725646edee5e3748257f489d86240b62dc296 100644
--- a/Source/web/PageOverlay.h
+++ b/Source/web/PageOverlay.h
@@ -32,7 +32,7 @@
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 
-namespace WebCore {
+namespace blink {
 class GraphicsContext;
 class GraphicsLayer;
 class GraphicsLayerClient;
@@ -58,9 +58,9 @@ public:
 
     void clear();
     void update();
-    void paintWebFrame(WebCore::GraphicsContext&);
+    void paintWebFrame(blink::GraphicsContext&);
 
-    WebCore::GraphicsLayer* graphicsLayer() const { return m_layer.get(); }
+    blink::GraphicsLayer* graphicsLayer() const { return m_layer.get(); }
 
 private:
     PageOverlay(WebViewImpl*, WebPageOverlay*);
@@ -68,8 +68,8 @@ private:
 
     WebViewImpl* m_viewImpl;
     WebPageOverlay* m_overlay;
-    OwnPtr<WebCore::GraphicsLayerClient> m_layerClient;
-    OwnPtr<WebCore::GraphicsLayer> m_layer;
+    OwnPtr<blink::GraphicsLayerClient> m_layerClient;
+    OwnPtr<blink::GraphicsLayer> m_layer;
     int m_zOrder;
 };