Rename StackingClient -> WindowTreeClient

ash/root_window_controller.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/root_window_controller.h"
 
 #include <queue>
 #include <vector>
 
 #include "ash/ash_constants.h"
@@ skipping 547 matching lines @@
     : root_window_(root_window),
       root_window_layout_(NULL),
       docked_layout_manager_(NULL),
       panel_layout_manager_(NULL),
       touch_hud_debug_(NULL),
       touch_hud_projection_(NULL) {
   GetRootWindowSettings(root_window)->controller = this;
   screen_dimmer_.reset(new ScreenDimmer(root_window));
 
   stacking_controller_.reset(new StackingController);
-  aura::client::SetStackingClient(root_window, stacking_controller_.get());
+  aura::client::SetWindowTreeClient(root_window, stacking_controller_.get());
   capture_client_.reset(new views::corewm::ScopedCaptureClient(root_window));
 }
 
 void RootWindowController::Init(bool is_primary, bool first_run_after_boot) {
   Shell::GetInstance()->InitRootWindow(root_window_.get());
 
   root_window_->SetCursor(ui::kCursorPointer);
   CreateContainersInRootWindow(root_window_.get());
   CreateSystemBackground(first_run_after_boot);
 
@@ skipping 307 matching lines @@
     DisableTouchHudProjection();
 }
 
 RootWindowController* GetRootWindowController(
     const aura::RootWindow* root_window) {
   return root_window ? GetRootWindowSettings(root_window)->controller : NULL;
 }
 
 }  // namespace internal
 }  // namespace ash