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

ash/shell.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 "ash/shell.h"
 
 #include <algorithm>
 #include <string>
 
 #include "ash/accelerators/accelerator_controller.h"
@@ skipping 204 matching lines @@
     return shell->scoped_target_root_window_;
   return shell->target_root_window_;
 }
 
 // static
 gfx::Screen* Shell::GetScreen() {
   return gfx::Screen::GetScreenByType(gfx::SCREEN_TYPE_ALTERNATE);
 }
 
 // static
-Shell::RootWindowList Shell::GetAllRootWindows() {
+aura::Window::Windows Shell::GetAllRootWindows() {
   return Shell::GetInstance()->display_controller()->
       GetAllRootWindows();
 }
 
 // static
 aura::Window* Shell::GetContainer(aura::Window* root_window,
                                   int container_id) {
   return root_window->GetChildById(container_id);
 }
 
 // static
 const aura::Window* Shell::GetContainer(const aura::Window* root_window,
                                         int container_id) {
   return root_window->GetChildById(container_id);
 }
 
 // static
 std::vector<aura::Window*> Shell::GetContainersFromAllRootWindows(
     int container_id,
     aura::Window* priority_root) {
   std::vector<aura::Window*> containers;
-  RootWindowList root_windows = GetAllRootWindows();
-  for (RootWindowList::const_iterator it = root_windows.begin();
+  aura::Window::Windows root_windows = GetAllRootWindows();
+  for (aura::Window::Windows::const_iterator it = root_windows.begin();
        it != root_windows.end(); ++it) {
     aura::Window* container = (*it)->GetChildById(container_id);
     if (container) {
       if (priority_root && priority_root->Contains(container))
         containers.insert(containers.begin(), container);
       else
         containers.push_back(container);
     }
   }
   return containers;
@@ skipping 730 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 // Shell, aura::client::ActivationChangeObserver implementation:
 
 void Shell::OnWindowActivated(aura::Window* gained_active,
                               aura::Window* lost_active) {
   if (gained_active)
     target_root_window_ = gained_active->GetRootWindow();
 }
 
 }  // namespace ash