Revert of Add a dummy variable to ResourceMsg_DataReceived.

content/child/resource_dispatcher_unittest.cc

 // Copyright (c) 2012 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 <string>
 #include <vector>
 
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/shared_memory.h"
@@ skipping 286 matching lines @@
     EXPECT_TRUE(dispatcher_.OnMessageReceived(
         ResourceMsg_SetDataBuffer(request_id, duplicate_handle,
                                   shared_memory->requested_size(), 0)));
   }
 
   void NotifyDataReceived(int request_id, std::string data) {
     ASSERT_LE(data.length(), shared_memory_map_[request_id]->requested_size());
     memcpy(shared_memory_map_[request_id]->memory(), data.c_str(),
            data.length());
 
-    EXPECT_TRUE(dispatcher_.OnMessageReceived(ResourceMsg_DataReceived(
-        request_id, 0, 0, data.length(), data.length())));
+    EXPECT_TRUE(dispatcher_.OnMessageReceived(
+        ResourceMsg_DataReceived(request_id, 0, data.length(), data.length())));
   }
 
   void NotifyDataDownloaded(int request_id, int decoded_length,
                             int encoded_length) {
     EXPECT_TRUE(dispatcher_.OnMessageReceived(
         ResourceMsg_DataDownloaded(request_id, decoded_length,
                                    encoded_length)));
   }
 
   void NotifyRequestComplete(int request_id, size_t total_size) {
@@ skipping 491 matching lines @@
   ResourceResponseHead response_head;
 
   PerformTest(response_head);
 
   EXPECT_EQ(base::TimeTicks(), response_info().load_timing.request_start);
   EXPECT_EQ(base::TimeTicks(),
             response_info().load_timing.connect_timing.dns_start);
 }
 
 }  // namespace content