Remove MessageLoop::current()->task_runner() in ui.

ui/accelerated_widget_mac/display_link_mac.cc

 // Copyright 2014 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 "ui/accelerated_widget_mac/display_link_mac.h"
 
 #include <stdint.h>
 
+#include "base/location.h"
 #include "base/logging.h"
-#include "base/message_loop/message_loop.h"
+#include "base/single_thread_task_runner.h"
+#include "base/threading/thread_task_runner_handle.h"
 #include "base/trace_event/trace_event.h"
 
 namespace base {
 
 template<>
 struct ScopedTypeRefTraits<CVDisplayLinkRef> {
   static CVDisplayLinkRef InvalidValue() { return nullptr; }
   static CVDisplayLinkRef Retain(CVDisplayLinkRef object) {
     return CVDisplayLinkRetain(object);
   }
@@ skipping 53 matching lines @@
     LOG(ERROR) << "CVDisplayLinkSetOutputCallback failed: " << ret;
     return NULL;
   }
 
   return display_link_mac;
 }
 
 DisplayLinkMac::DisplayLinkMac(
     CGDirectDisplayID display_id,
     base::ScopedTypeRef<CVDisplayLinkRef> display_link)
-      : main_thread_task_runner_(
-            base::MessageLoop::current()->task_runner()),
-        display_id_(display_id),
-        display_link_(display_link),
-        timebase_and_interval_valid_(false) {
+    : main_thread_task_runner_(base::ThreadTaskRunnerHandle::Get()),
+      display_id_(display_id),
+      display_link_(display_link),
+      timebase_and_interval_valid_(false) {
   DCHECK(display_map_.Get().find(display_id) == display_map_.Get().end());
   if (display_map_.Get().empty()) {
     CGError register_error = CGDisplayRegisterReconfigurationCallback(
         DisplayReconfigurationCallBack, nullptr);
     DPLOG_IF(ERROR, register_error != kCGErrorSuccess)
         << "CGDisplayRegisterReconfigurationCallback: "
         << register_error;
   }
   display_map_.Get().insert(std::make_pair(display_id_, this));
 }
@@ skipping 112 matching lines @@
   DisplayLinkMac* display_link_mac = found->second;
   display_link_mac->timebase_and_interval_valid_ = false;
 }
 
 // static
 base::LazyInstance<DisplayLinkMac::DisplayMap>
     DisplayLinkMac::display_map_ = LAZY_INSTANCE_INITIALIZER;
 
 }  // ui