Simplify threading in browser thread by making only ChromeThread deal with di...

chrome/browser/plugin_process_host_mac.cc

 // Copyright (c) 2009 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 <Carbon/Carbon.h>
 
 #include "build/build_config.h"
 
 #include <vector>
 
@@ skipping 12 matching lines @@
   plugin_visible_windows_set_.insert(window_id);
   CGRect window_bounds = {
     { window_rect.x(), window_rect.y() },
     { window_rect.width(), window_rect.height() }
   };
   CGRect main_display_bounds = CGDisplayBounds(CGMainDisplayID());
   if (CGRectEqualToRect(window_bounds, main_display_bounds)) {
     plugin_fullscreen_windows_set_.insert(window_id);
     // If the plugin has just shown a window that's the same dimensions as
     // the main display, hide the menubar so that it has the whole screen.
-    ChromeThread::GetMessageLoop(ChromeThread::UI)->PostTask(FROM_HERE,
+    ChromeThread::PostTask(
+        ChromeThread::UI, FROM_HERE,
         NewRunnableFunction(mac_util::RequestFullScreen));
   }
 }
 
 void PluginProcessHost::OnPluginHideWindow(uint32 window_id,
                                            gfx::Rect window_rect) {
   plugin_visible_windows_set_.erase(window_id);
   if (plugin_fullscreen_windows_set_.find(window_id) !=
       plugin_fullscreen_windows_set_.end()) {
     plugin_fullscreen_windows_set_.erase(window_id);
-    ChromeThread::GetMessageLoop(ChromeThread::UI)->PostTask(FROM_HERE,
+    ChromeThread::PostTask(
+        ChromeThread::UI, FROM_HERE,
         NewRunnableFunction(mac_util::ReleaseFullScreen));
   }
 }
 
 void PluginProcessHost::OnPluginDisposeWindow(uint32 window_id,
                                               gfx::Rect window_rect) {
   OnPluginHideWindow(window_id, window_rect);
 }