Expand the interface to WebURLLoaderTestDelegate.

public/platform/WebUnitTestSupport.h

Index: public/platform/WebUnitTestSupport.h
diff --git a/public/platform/WebUnitTestSupport.h b/public/platform/WebUnitTestSupport.h
index 5edc6a7fe4e5701a916b0b54030c5c80c592593b..8cc38dbc710b299dd59d93d09285847449505055 100644
--- a/public/platform/WebUnitTestSupport.h
+++ b/public/platform/WebUnitTestSupport.h
@@ -30,24 +30,16 @@
 #include "WebCommon.h"
 #include "WebData.h"
 #include "WebString.h"
+#include "WebURLLoaderTestDelegate.h"
 #include "WebVector.h"
 
 namespace blink {
 
 class WebLayerTreeView;
 class WebURL;
-class WebURLLoader;
 class WebURLResponse;
-class WebURLLoaderClient;
 struct WebURLError;
 
-class WebURLLoaderTestDelegate {
-public:
-    ~WebURLLoaderTestDelegate() { }
-
-    virtual void didReceiveData(WebURLLoaderClient* originalClient, WebURLLoader*, const char* data, int dataLength, int encodedDataLength) { }
-};
-
 class WebUnitTestSupport {
 public:
     virtual void registerMockedURL(const WebURL&, const WebURLResponse&, const WebString& filePath) { }
@@ -64,7 +56,7 @@ public:
     virtual void serveAsynchronousMockedRequests() { }
 
     // Set a delegate that allows callbacks for all WebURLLoaderClients to be intercepted.
-    virtual void setLoaderDelegate(WebURLLoaderTestDelegate*) {}
+    virtual void setLoaderDelegate(WebURLLoaderTestDelegate*) { }
 
     // Returns the root directory of the WebKit code.
     virtual WebString webKitRootDir() { return WebString(); }