Remove all remaining traces of MessageLoopProxy.

content/browser/devtools/render_frame_devtools_agent_host.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 "content/browser/devtools/render_frame_devtools_agent_host.h"
 
 #include <tuple>
 #include <utility>
 
 #include "base/lazy_instance.h"
@@ skipping 485 matching lines @@
 
 void RenderFrameDevToolsAgentHost::OnClientAttached() {
   if (!web_contents())
     return;
 
   frame_trace_recorder_.reset(new DevToolsFrameTraceRecorder());
 #if defined(OS_ANDROID)
   power_save_blocker_.reset(new device::PowerSaveBlocker(
       device::PowerSaveBlocker::kPowerSaveBlockPreventDisplaySleep,
       device::PowerSaveBlocker::kReasonOther, "DevTools",
-      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI),
-      BrowserThread::GetMessageLoopProxyForThread(BrowserThread::FILE)));
+      BrowserThread::GetTaskRunnerForThread(BrowserThread::UI),
+      BrowserThread::GetTaskRunnerForThread(BrowserThread::FILE)));
   if (web_contents()->GetNativeView()) {
     view_weak_factory_.reset(new base::WeakPtrFactory<ui::ViewAndroid>(
         web_contents()->GetNativeView()));
     power_save_blocker_->InitDisplaySleepBlocker(
         view_weak_factory_->GetWeakPtr());
   }
 #endif
 
   // TODO(kaznacheev): Move this call back to DevToolsManager when
   // extensions::ProcessManager no longer relies on this notification.
@@ skipping 404 matching lines @@
     RenderFrameHost* host) {
   return (current_ && current_->host() == host) ||
       (pending_ && pending_->host() == host);
 }
 
 bool RenderFrameDevToolsAgentHost::IsChildFrame() {
   return current_ && current_->host()->GetParent();
 }
 
 }  // namespace content