content: Use base::MessageLoop.

content/browser/web_contents/web_contents_view_aura.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_view_aura.h"
 
 #include "base/auto_reset.h"
 #include "base/metrics/histogram.h"
 #include "base/utf_string_conversions.h"
 #include "content/browser/renderer_host/dip_util.h"
@@ skipping 140 matching lines @@
   // slides under the cursor and starts receiving scroll events). However, once
   // the gesture is complete, and the window is being displayed as an overlay
   // window during navigation, events should not be forwarded anymore.
   bool forward_events_;
 
   DISALLOW_COPY_AND_ASSIGN(OverscrollWindowDelegate);
 };
 
 // Listens to all mouse drag events during a drag and drop and sends them to
 // the renderer.
-class WebDragSourceAura : public MessageLoopForUI::Observer,
+class WebDragSourceAura : public base::MessageLoopForUI::Observer,
                           public NotificationObserver {
  public:
   WebDragSourceAura(aura::Window* window, WebContentsImpl* contents)
       : window_(window),
         contents_(contents) {
-    MessageLoopForUI::current()->AddObserver(this);
-    registrar_.Add(this, NOTIFICATION_WEB_CONTENTS_DISCONNECTED,
+    base::MessageLoopForUI::current()->AddObserver(this);
+    registrar_.Add(this,
+                   NOTIFICATION_WEB_CONTENTS_DISCONNECTED,
                    Source<WebContents>(contents));
   }
 
   virtual ~WebDragSourceAura() {
-    MessageLoopForUI::current()->RemoveObserver(this);
+    base::MessageLoopForUI::current()->RemoveObserver(this);
   }
 
   // MessageLoop::Observer implementation:
   virtual base::EventStatus WillProcessEvent(
       const base::NativeEvent& event) OVERRIDE {
     return base::EVENT_CONTINUE;
   }
   virtual void DidProcessEvent(const base::NativeEvent& event) OVERRIDE {
     if (!contents_)
       return;
@@ skipping 923 matching lines @@
   }
 
   scoped_ptr<WebDragSourceAura> drag_source(
       new WebDragSourceAura(GetNativeView(), web_contents_));
 
   // We need to enable recursive tasks on the message loop so we can get
   // updates while in the system DoDragDrop loop.
   int result_op = 0;
   {
     gfx::NativeView content_native_view = GetContentNativeView();
-    MessageLoop::ScopedNestableTaskAllower allow(MessageLoop::current());
-    result_op = aura::client::GetDragDropClient(root_window)->StartDragAndDrop(
-        data, root_window, content_native_view,
-        event_info.event_location, ConvertFromWeb(operations),
-        event_info.event_source);
+    base::MessageLoop::ScopedNestableTaskAllower allow(
+        base::MessageLoop::current());
+    result_op = aura::client::GetDragDropClient(root_window)
+        ->StartDragAndDrop(data,
+                           root_window,
+                           content_native_view,
+                           event_info.event_location,
+                           ConvertFromWeb(operations),
+                           event_info.event_source);
   }
 
   // Bail out immediately if the contents view window is gone. Note that it is
   // not safe to access any class members in this case since |this| may already
   // be destroyed. The local variable |drag_source| will still be valid though,
   // so we can use it to determine if the window is gone.
   if (!drag_source->window()) {
     // Note that in this case, we don't need to call SystemDragEnded() since the
     // renderer is going away.
     return;
@@ skipping 282 matching lines @@
       event.location(),
       gfx::Screen::GetScreenFor(GetNativeView())->GetCursorScreenPoint(),
       ConvertAuraEventFlagsToWebInputEventModifiers(event.flags()));
   if (drag_dest_delegate_)
     drag_dest_delegate_->OnDrop();
   current_drop_data_.reset();
   return current_drag_op_;
 }
 
 }  // namespace content