Remove all remaining traces of MessageLoopProxy.

chrome/browser/renderer_host/data_reduction_proxy_resource_throttle_android.cc

 // 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.
 
 #include "chrome/browser/renderer_host/data_reduction_proxy_resource_throttle_android.h"
 
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/prerender/prerender_contents.h"
 #include "chrome/browser/profiles/profile_io_data.h"
@@ skipping 78 matching lines @@
   SafeBrowsingUIManager::UnsafeResource unsafe_resource;
   unsafe_resource.url = redirect_info.new_url;
   unsafe_resource.original_url = request_->original_url();
   unsafe_resource.redirect_urls = redirect_urls_;
   unsafe_resource.is_subresource = is_subresource_;
   unsafe_resource.is_subframe = is_subframe_;
   unsafe_resource.threat_type = threat_type;
   unsafe_resource.callback = base::Bind(
       &DataReductionProxyResourceThrottle::OnBlockingPageComplete, AsWeakPtr());
   unsafe_resource.callback_thread =
-      content::BrowserThread::GetMessageLoopProxyForThread(
+      content::BrowserThread::GetTaskRunnerForThread(
           content::BrowserThread::IO);
   unsafe_resource.render_process_host_id = info->GetChildID();
   unsafe_resource.render_frame_id = info->GetRenderFrameID();
   unsafe_resource.threat_source = safe_browsing::ThreatSource::DATA_SAVER;
 
   *defer = true;
 
   content::BrowserThread::PostTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(
@@ skipping 67 matching lines @@
   return result;
 }
 
 void DataReductionProxyResourceThrottle::ResumeRequest() {
   CHECK(state_ == STATE_NONE);
 
   // Inject the header before resuming the request.
   request_->SetExtraRequestHeaderByName(kUnsafeUrlProceedHeader, "1", true);
   controller()->Resume();
 }