content: Use base::MessageLoop.

content/browser/web_contents/web_drag_dest_gtk.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_drag_dest_gtk.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
@@ skipping 266 matching lines @@
   // Sometimes we get a drag-leave event before getting a drag-data-received
   // event. In that case, we don't want to bother the renderer with a
   // DragLeave event.
   if (data_requests_ != 0)
     return;
 
   // When GTK sends us a drag-drop signal, it is shortly (and synchronously)
   // preceded by a drag-leave. The renderer doesn't like getting the signals
   // in this order so delay telling it about the drag-leave till we are sure
   // we are not getting a drop as well.
-  MessageLoop::current()->PostTask(FROM_HERE,
+  base::MessageLoop::current()->PostTask(
+      FROM_HERE,
       base::Bind(&WebDragDestGtk::DragLeave, method_factory_.GetWeakPtr()));
 }
 
 // Called by GTK when the user releases the mouse, executing a drop.
 gboolean WebDragDestGtk::OnDragDrop(GtkWidget* sender, GdkDragContext* context,
                                     gint x, gint y, guint time) {
   // Cancel that drag leave!
   method_factory_.InvalidateWeakPtrs();
 
   GetRenderViewHost()->
       DragTargetDrop(ui::ClientPoint(widget_), ui::ScreenPoint(widget_),
           GetModifierFlags(widget_));
 
   if (delegate())
     delegate()->OnDrop();
 
   // The second parameter is just an educated guess as to whether or not the
   // drag succeeded, but at least we will get the drag-end animation right
   // sometimes.
   gtk_drag_finish(context, is_drop_target_, FALSE, time);
 
   return TRUE;
 }
 
 RenderViewHostImpl* WebDragDestGtk::GetRenderViewHost() const {
   return static_cast<RenderViewHostImpl*>(web_contents_->GetRenderViewHost());
 }
 
 }  // namespace content