Expand the interface to WebURLLoaderTestDelegate.

public/platform/WebURLLoaderTestDelegate.h

Index: public/platform/WebURLLoaderTestDelegate.h
diff --git a/public/platform/WebURLLoaderTestDelegate.h b/public/platform/WebURLLoaderTestDelegate.h
new file mode 100644
index 0000000000000000000000000000000000000000..200ab15b0fbd5c78747d88cfcbd328aeddc37fbb
--- /dev/null
+++ b/public/platform/WebURLLoaderTestDelegate.h
@@ -0,0 +1,34 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef WebURLLoaderTestDelegate_h
+#define WebURLLoaderTestDelegate_h
+
+#include "public/platform/WebCommon.h"
+
+namespace blink {
+
+class WebURLLoader;
+class WebURLResponse;
+class WebURLLoaderClient;
+struct WebURLError;
+
+// Use with WebUnitTestSupport::setLoaderDelegate to intercept calls to a
+// WebURLLoaderClient for controlling network responses in a test. Default
+// implementations of all methods just call the original method on the
+// WebURLLoaderClient.
+class BLINK_PLATFORM_EXPORT WebURLLoaderTestDelegate {
+public:
+    WebURLLoaderTestDelegate();
+    virtual ~WebURLLoaderTestDelegate();
+
+    virtual void didReceiveResponse(WebURLLoaderClient* originalClient, WebURLLoader*, const WebURLResponse&);
+    virtual void didReceiveData(WebURLLoaderClient* originalClient, WebURLLoader*, const char* data, int dataLength, int encodedDataLength);
+    virtual void didFail(WebURLLoaderClient* originalClient, WebURLLoader*, const WebURLError&);
+    virtual void didFinishLoading(WebURLLoaderClient* originalClient, WebURLLoader*, double finishTime, int64_t totalEncodedDataLength);
+};
+
+} // namespace blink
+
+#endif