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

chrome/browser/chrome_browser_main.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 "chrome/browser/chrome_browser_main.h"
 
 #if defined(TOOLKIT_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 1557 matching lines @@
   if (!run_message_loop_)
     return true;  // Don't run the default message loop.
 
   // These should be invoked as close to the start of the browser's
   // UI thread message loop as possible to get a stable measurement
   // across versions.
   RecordBrowserStartupTime();
   startup_timer_->SignalStartupComplete(
       performance_monitor::StartupTimer::STARTUP_NORMAL);
 
-  DCHECK_EQ(base::MessageLoop::TYPE_UI, base::MessageLoop::current()->type());
+  DCHECK(base::MessageLoopForUI::IsCurrent());
 #if !defined(USE_AURA) && defined(TOOLKIT_VIEWS)
   views::AcceleratorHandler accelerator_handler;
   base::RunLoop run_loop(&accelerator_handler);
 #else
   base::RunLoop run_loop;
 #endif
 
   performance_monitor::PerformanceMonitor::GetInstance()->StartGatherCycle();
 
   MetricsService::SetExecutionPhase(MetricsService::MAIN_MESSAGE_LOOP_RUN);
@@ skipping 66 matching lines @@
   chromeos::CrosSettings::Shutdown();
 #endif
 #endif
 }
 
 // Public members:
 
 void ChromeBrowserMainParts::AddParts(ChromeBrowserMainExtraParts* parts) {
   chrome_extra_parts_.push_back(parts);
 }