Move basic operation components for Drive API to chrome/browser/google_apis directory

chrome/browser/google_apis/task_util.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/chromeos/gdata/task_util.h"
+#include "chrome/browser/google_apis/task_util.h"
 
 #include "base/location.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
 
 namespace gdata {
 
 void RunTaskOnThread(scoped_refptr<base::MessageLoopProxy> relay_proxy,
                      const base::Closure& task) {
   if (relay_proxy->BelongsToCurrentThread()) {
     task.Run();
   } else {
     const bool posted = relay_proxy->PostTask(FROM_HERE, task);
     DCHECK(posted);
   }
 }
 
 void RunTaskOnUIThread(const base::Closure& task) {
   RunTaskOnThread(
       BrowserThread::GetMessageLoopProxyForThread(BrowserThread::UI), task);
 }
 
 }  // namespace gdata