Change over IgnoreReturn to IgnoreResult. remove IgnoreReturn.

content/browser/renderer_host/render_message_filter.cc

 // Copyright (c) 2011 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 "content/browser/renderer_host/render_message_filter.h"
 
 #include <map>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 831 matching lines @@
   base::PlatformFile file = base::CreatePlatformFile(
       path, flags, NULL, &error_code);
   IPC::PlatformFileForTransit file_for_transit =
       file != base::kInvalidPlatformFileValue ?
           IPC::GetFileHandleForProcess(file, peer_handle(), true) :
           IPC::InvalidPlatformFileForTransit();
 
   IPC::Message* reply = new ViewMsg_AsyncOpenFile_ACK(
       routing_id, error_code, file_for_transit, message_id);
   BrowserThread::PostTask(
-      BrowserThread::IO, FROM_HERE, base::IgnoreReturn<bool>(base::Bind(
-          &RenderMessageFilter::Send, this, reply)));
+      BrowserThread::IO, FROM_HERE,
+      base::Bind(base::IgnoreResult(&RenderMessageFilter::Send), this, reply));
 }
 
 void RenderMessageFilter::OnMediaLogEvent(const media::MediaLogEvent& event) {
   resource_context_.media_observer()->OnMediaEvent(render_process_id_, event);
 }
 
 void RenderMessageFilter::CheckPolicyForCookies(
     const GURL& url,
     const GURL& first_party_for_cookies,
     IPC::Message* reply_msg,
@@ skipping 42 matching lines @@
   // for a resize or if no backing store) the RenderWidgetHost is blocking the
   // UI thread for some time, waiting for an UpdateRect from the renderer. If we
   // are going to switch to accelerated compositing, the GPU process may need
   // round-trips to the UI thread before finishing the frame, causing deadlocks
   // if we delay the UpdateRect until we receive the OnSwapBuffersComplete. So
   // the renderer sent us this message, so that we can unblock the UI thread.
   // We will simply re-use the UpdateRect unblock mechanism, just with a
   // different message.
   render_widget_helper_->DidReceiveUpdateMsg(msg);
 }