Propagate the encoded data length through OnDownloadData delegate method

chrome/renderer/extensions/extension_localization_peer_unittest.cc

 // Copyright 2013 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.
 
 #include <map>
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "chrome/common/extensions/message_bundle.h"
 #include "chrome/renderer/extensions/extension_localization_peer.h"
@@ skipping 46 matching lines @@
   virtual ~MockResourceLoaderBridgePeer() {}
 
   MOCK_METHOD2(OnUploadProgress, void(uint64 position, uint64 size));
   MOCK_METHOD4(OnReceivedRedirect, bool(
       const GURL& new_url,
       const webkit_glue::ResourceResponseInfo& info,
       bool* has_new_first_party_for_cookies,
       GURL* new_first_party_for_cookies));
   MOCK_METHOD1(OnReceivedResponse, void(
       const webkit_glue::ResourceResponseInfo& info));
-  MOCK_METHOD1(OnDownloadedData, void(int len));
+  MOCK_METHOD2(OnDownloadedData, void(int len, int encoded_data_length));
   MOCK_METHOD3(OnReceivedData, void(const char* data,
                                     int data_length,
                                     int encoded_data_length));
   MOCK_METHOD4(OnCompletedRequest, void(
       int error_code,
       bool was_ignored_by_handler,
       const std::string& security_info,
       const base::TimeTicks& completion_time));
 
  private:
@@ skipping 163 matching lines @@
   EXPECT_CALL(*original_peer_,
               OnReceivedData(StrEq(message.data()), message.length(), -1));
 
   EXPECT_CALL(*original_peer_, OnReceivedResponse(_));
   EXPECT_CALL(*original_peer_, OnCompletedRequest(
       net::OK, false, "", base::TimeTicks()));
 
   filter_peer->OnCompletedRequest(
       net::OK, false, std::string(), base::TimeTicks());
 }