Rename WebKit namespace to blink

Source/web/WebFileChooserCompletionImpl.h

Index: Source/web/WebFileChooserCompletionImpl.h
diff --git a/Source/web/WebFileChooserCompletionImpl.h b/Source/web/WebFileChooserCompletionImpl.h
index f025a5ef2b25f2744b30c0e69286c271bc56eb94..dd43c305274178c514facc61af18d828539a034f 100644
--- a/Source/web/WebFileChooserCompletionImpl.h
+++ b/Source/web/WebFileChooserCompletionImpl.h
@@ -37,11 +37,11 @@
 #include "public/platform/WebVector.h"
 #include "wtf/PassRefPtr.h"
 
-using WebKit::WebFileChooserCompletion;
-using WebKit::WebString;
-using WebKit::WebVector;
+using blink::WebFileChooserCompletion;
+using blink::WebString;
+using blink::WebVector;
 
-namespace WebKit {
+namespace blink {
 
 class WebFileChooserCompletionImpl : public WebFileChooserCompletion {
 public:
@@ -53,6 +53,6 @@ private:
     RefPtr<WebCore::FileChooser> m_fileChooser;
 };
 
-} // namespace WebKit
+} // namespace blink
 
 #endif