Replace more ObserverList with base::ObserverList.

ui/aura/window.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 "ui/aura/window.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 179 matching lines @@
       delegate_(delegate),
       parent_(NULL),
       visible_(false),
       id_(-1),
       transparent_(false),
       user_data_(NULL),
       ignore_events_(false),
       // Don't notify newly added observers during notification. This causes
       // problems for code that adds an observer as part of an observer
       // notification (such as the workspace code).
-      observers_(ObserverList<WindowObserver>::NOTIFY_EXISTING_ONLY) {
+      observers_(base::ObserverList<WindowObserver>::NOTIFY_EXISTING_ONLY) {
   set_target_handler(delegate_);
 }
 
 Window::~Window() {
   if (layer()->owner() == this)
     layer()->CompleteAllAnimations();
   layer()->SuppressPaint();
 
   // Let the delegate know we're in the processing of destroying.
   if (delegate_)
@@ skipping 1190 matching lines @@
       return window;
     if (offset)
       *offset += window->bounds().OffsetFromOrigin();
   }
   if (offset)
     *offset = gfx::Vector2d();
   return NULL;
 }
 
 }  // namespace aura