Rename GetRootWindow() -> GetPrimaryRootWindow()

ash/wm/visibility_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/wm/visibility_controller.h"
 
 #include "ash/shell.h"
 #include "ash/wm/window_animations.h"
 #include "ash/wm/window_properties.h"
 #include "ui/aura/window.h"
 #include "ui/compositor/layer.h"
 
 namespace ash {
 namespace {
 bool GetChildWindowVisibilityChangesAnimated(aura::Window* window) {
   if (!window)
     return false;
   return window->GetProperty(
       internal::kChildWindowVisibilityChangesAnimatedKey);
 }
 }  // namespace
 
 namespace internal {
 
 VisibilityController::VisibilityController() {
-  aura::client::SetVisibilityClient(Shell::GetRootWindow(), this);
+  aura::client::SetVisibilityClient(Shell::GetPrimaryRootWindow(), this);
 }
 
 VisibilityController::~VisibilityController() {
 }
 
 void VisibilityController::UpdateLayerVisibility(aura::Window* window,
                                                  bool visible) {
   bool animated = GetChildWindowVisibilityChangesAnimated(window->parent()) &&
                   window->type() != aura::client::WINDOW_TYPE_CONTROL &&
                   window->type() != aura::client::WINDOW_TYPE_UNKNOWN;
@@ skipping 15 matching lines @@
     window->layer()->SetVisible(visible);
 }
 
 }  // namespace internal
 
 void SetChildWindowVisibilityChangesAnimated(aura::Window* window) {
   window->SetProperty(internal::kChildWindowVisibilityChangesAnimatedKey, true);
 }
 
 }  // namespace ash