Delete content::MockURLRequestDelegate.

net/url_request/url_request_test_util.h

Index: net/url_request/url_request_test_util.h
diff --git a/net/url_request/url_request_test_util.h b/net/url_request/url_request_test_util.h
index 201f07bf82f7c8419663ce1723a64c6f5e6adda3..ec792e8f0f4416d513458dcc2c38e615e3031bdb 100644
--- a/net/url_request/url_request_test_util.h
+++ b/net/url_request/url_request_test_util.h
@@ -164,6 +164,7 @@ class TestDelegate : public URLRequest::Delegate {
   // query state
   const std::string& data_received() const { return data_received_; }
   int bytes_received() const { return static_cast<int>(data_received_.size()); }
+  const net::IOBufferWithSize* metadata() const { return metadata_.get(); }
   int response_started_count() const { return response_started_count_; }
   int received_bytes_count() const { return received_bytes_count_; }
   int received_redirect_count() const { return received_redirect_count_; }
@@ -225,6 +226,7 @@ class TestDelegate : public URLRequest::Delegate {
   bool certificate_errors_are_fatal_;
   bool auth_required_;
   std::string data_received_;
+  scoped_refptr<net::IOBufferWithSize> metadata_;
   bool have_full_request_headers_;
   HttpRequestHeaders full_request_headers_;
   bool response_completed_;