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

chrome/browser/plugin_process_host_mac.cc

Index: chrome/browser/plugin_process_host_mac.cc
===================================================================
--- chrome/browser/plugin_process_host_mac.cc	(revision 30037)
+++ chrome/browser/plugin_process_host_mac.cc	(working copy)
@@ -30,7 +30,8 @@
     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));
   }
 }
@@ -41,7 +42,8 @@
   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));
   }
 }