Removes MessageLoop::Type checks in favor of IsCurrent on MessageLoops.

base/power_monitor/power_monitor_device_source_win.cc

 // Copyright 2013 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 "base/power_monitor/power_monitor.h"
 #include "base/power_monitor/power_monitor_device_source.h"
 #include "base/power_monitor/power_monitor_source.h"
 #include "base/win/wrapped_window_proc.h"
 
 namespace base {
@@ skipping 45 matching lines @@
   SYSTEM_POWER_STATUS status;
   if (!GetSystemPowerStatus(&status)) {
     DLOG_GETLASTERROR(ERROR) << "GetSystemPowerStatus failed";
     return false;
   }
   return (status.ACLineStatus == 0);
 }
 
 PowerMonitorDeviceSource::PowerMessageWindow::PowerMessageWindow()
     : instance_(NULL), message_hwnd_(NULL) {
-  if (MessageLoop::current()->type() != MessageLoop::TYPE_UI) {
+  if (!MessageLoopForUI::IsCurrent()) {
     // Creating this window in (e.g.) a renderer inhibits shutdown on Windows.
     // See http://crbug.com/230122. TODO(vandebo): http://crbug.com/236031
     DLOG(ERROR)
         << "Cannot create windows on non-UI thread, power monitor disabled!";
     return;
   }
   WNDCLASSEX window_class;
   base::win::InitializeWindowClass(
       kWindowClassName,
       &base::win::WrappedWindowProc<
@@ skipping 24 matching lines @@
   switch (message) {
     case WM_POWERBROADCAST:
       ProcessWmPowerBroadcastMessage(wparam);
       return TRUE;
     default:
       return ::DefWindowProc(hwnd, message, wparam, lparam);
   }
 }
 
 }  // namespace base