Eliminate Shell::RootWindowList in favor of aura::Window::Windows.

chrome/browser/ui/ash/launcher/browser_status_monitor.cc

 // Copyright 2013 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/ui/ash/launcher/browser_status_monitor.h"
 
 #include "ash/shell.h"
 #include "ash/wm/window_util.h"
 #include "base/stl_util.h"
 #include "chrome/browser/ui/ash/launcher/browser_shortcut_launcher_item_controller.h"
@@ skipping 42 matching lines @@
       observed_activation_clients_(this),
       observed_root_windows_(this) {
   DCHECK(launcher_controller_);
   BrowserList::AddObserver(this);
 
   // This check needs for win7_aura. Without this, all tests in
   // ChromeLauncherController will fail in win7_aura.
   if (ash::Shell::HasInstance()) {
     // We can't assume all RootWindows have the same ActivationClient.
     // Add a RootWindow and its ActivationClient to the observed list.
-    ash::Shell::RootWindowList root_windows = ash::Shell::GetAllRootWindows();
-    ash::Shell::RootWindowList::const_iterator iter = root_windows.begin();
+    aura::Window::Windows root_windows = ash::Shell::GetAllRootWindows();
+    aura::Window::Windows::const_iterator iter = root_windows.begin();
     for (; iter != root_windows.end(); ++iter) {
       // |observed_activation_clients_| can have the same activation client
       // multiple times - which would be handled by the used
       // |ScopedObserverWithDuplicatedSources|.
       observed_activation_clients_.Add(
           aura::client::GetActivationClient(*iter));
       observed_root_windows_.Add(static_cast<aura::Window*>(*iter));
     }
     ash::Shell::GetInstance()->GetScreen()->AddObserver(this);
   }
@@ skipping 233 matching lines @@
   }
 }
 
 void BrowserStatusMonitor::RemoveWebContentsObserver(
     content::WebContents* contents) {
   DCHECK(webcontents_to_observer_map_.find(contents) !=
       webcontents_to_observer_map_.end());
   delete webcontents_to_observer_map_[contents];
   webcontents_to_observer_map_.erase(contents);
 }