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

chrome/browser/power_save_blocker_common.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 "chrome/browser/power_save_blocker.h"
 #include "chrome/browser/chrome_thread.h"
 
 // Accessed only from the UI thread.
 int PowerSaveBlocker::blocker_count_ = 0;
 
@@ skipping 17 matching lines @@
 void PowerSaveBlocker::Disable() {
   if (!enabled_)
     return;
 
   enabled_ = false;
   PostAdjustBlockCount(-1);
 }
 
 
 void PowerSaveBlocker::PostAdjustBlockCount(int delta) {
-  MessageLoop *ml = ChromeThread::GetMessageLoop(ChromeThread::UI);
-
-  ml->PostTask(FROM_HERE,
+  ChromeThread::PostTask(
+      ChromeThread::UI, FROM_HERE,
       NewRunnableFunction(&PowerSaveBlocker::AdjustBlockCount, delta));
 }
 
 // Called only from UI thread.
 void PowerSaveBlocker::AdjustBlockCount(int delta) {
   DCHECK(ChromeThread::CurrentlyOn(ChromeThread::UI));
 
   bool was_blocking = (blocker_count_ != 0);
 
   blocker_count_ += delta;
 
   bool is_blocking = (blocker_count_ != 0);
 
   DCHECK_GE(blocker_count_, 0);
 
   if (is_blocking != was_blocking)
     ApplyBlock(is_blocking);
 }