Rename WebCore namespace to blink in bindings and web

Source/web/PageOverlay.cpp

Index: Source/web/PageOverlay.cpp
diff --git a/Source/web/PageOverlay.cpp b/Source/web/PageOverlay.cpp
index af44a26eba6cbe7c7b311e39c330ee7f8ec5a5f9..ce83e4d6c4393326ec52326b125456b67f395db7 100644
--- a/Source/web/PageOverlay.cpp
+++ b/Source/web/PageOverlay.cpp
@@ -39,7 +39,7 @@
 #include "public/web/WebViewClient.h"
 #include "web/WebViewImpl.h"
 
-using namespace WebCore;
+using namespace blink;
 
 namespace blink {
 
@@ -64,7 +64,7 @@ PageOverlay::PageOverlay(WebViewImpl* viewImpl, WebPageOverlay* overlay)
 {
 }
 
-class OverlayGraphicsLayerClientImpl : public WebCore::GraphicsLayerClient {
+class OverlayGraphicsLayerClientImpl : public blink::GraphicsLayerClient {
 public:
     static PassOwnPtr<OverlayGraphicsLayerClientImpl> create(WebPageOverlay* overlay)
     {
@@ -104,7 +104,7 @@ void PageOverlay::clear()
 
     if (m_layer) {
         m_layer->removeFromParent();
-        if (WebCore::Page* page = m_viewImpl->page())
+        if (blink::Page* page = m_viewImpl->page())
             page->inspectorController().didRemovePageOverlay(m_layer.get());
         m_layer = nullptr;
         m_layerClient = nullptr;
@@ -120,7 +120,7 @@ void PageOverlay::update()
         m_layer = GraphicsLayer::create(m_viewImpl->graphicsLayerFactory(), m_layerClient.get());
         m_layer->setDrawsContent(true);
 
-        if (WebCore::Page* page = m_viewImpl->page())
+        if (blink::Page* page = m_viewImpl->page())
             page->inspectorController().willAddPageOverlay(m_layer.get());
 
         // This is required for contents of overlay to stay in sync with the page while scrolling.