content: Use base::MessageLoop.

content/browser/web_contents/web_contents_drag_win.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 "content/browser/web_contents/web_contents_drag_win.h"
 
 #include <windows.h>
 
 #include <string>
 
@@ skipping 160 matching lines @@
     if (DoDragging(drop_data, ops, page_url, page_encoding,
                    image, image_offset))
       EndDragging();
     return;
   }
 
   // Start a background thread to do the drag-and-drop.
   DCHECK(!drag_drop_thread_.get());
   drag_drop_thread_.reset(new DragDropThread(this));
   base::Thread::Options options;
-  options.message_loop_type = MessageLoop::TYPE_UI;
+  options.message_loop_type = base::MessageLoop::TYPE_UI;
   if (drag_drop_thread_->StartWithOptions(options)) {
     drag_drop_thread_->message_loop()->PostTask(
         FROM_HERE,
         base::Bind(&WebContentsDragWin::StartBackgroundDragging, this,
                    drop_data, ops, page_url, page_encoding,
                    image, image_offset));
   }
 
   EnableBackgroundDraggingSupport(drag_drop_thread_->thread_id());
 }
@@ skipping 165 matching lines @@
   // updates while in the system DoDragDrop loop.
   DWORD effect = DROPEFFECT_NONE;
   if (run_do_drag_drop) {
     // Keep a reference count such that |drag_source_| will not get deleted
     // if the contents view window is gone in the nested message loop invoked
     // from DoDragDrop.
     scoped_refptr<WebDragSource> retain_source(drag_source_);
     retain_source->set_data(&data);
     data.SetInDragLoop(true);
 
-    MessageLoop::ScopedNestableTaskAllower allow(MessageLoop::current());
+    base::MessageLoop::ScopedNestableTaskAllower allow(
+        base::MessageLoop::current());
     DoDragDrop(ui::OSExchangeDataProviderWin::GetIDataObject(data),
                drag_source_,
                WebDragOpMaskToWinDragOpMask(ops),
                &effect);
     retain_source->set_data(NULL);
   }
 
   // Bail out immediately if the contents view window is gone.
   if (!IsWindow(native_window))
     return false;
@@ skipping 56 matching lines @@
       FROM_HERE,
       base::Bind(&WebContentsDragWin::CloseThread, this));
 }
 
 // static
 void WebContentsDragWin::DisableDragDropForTesting() {
   run_do_drag_drop = false;
 }
 
 }  // namespace content