Rename GetRootWindow() -> GetPrimaryRootWindow()

ash/test/ash_test_base.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/test/ash_test_base.h"
 
 #include <vector>
 
 #include "ash/shell.h"
 #include "ash/test/test_shell_delegate.h"
@@ skipping 12 matching lines @@
 
 AshTestBase::~AshTestBase() {
 }
 
 void AshTestBase::SetUp() {
   // Creates Shell and hook with Desktop.
   TestShellDelegate* delegate = new TestShellDelegate;
   ash::Shell::CreateInstance(delegate);
 
   helper_.SetUp();
-  helper_.InitRootWindow(Shell::GetRootWindow());
+  helper_.InitRootWindow(Shell::GetPrimaryRootWindow());
 
   // Disable animations during tests.
   ui::LayerAnimator::set_disable_animations_for_test(true);
 }
 
 void AshTestBase::TearDown() {
   // Flush the message loop to finish pending release tasks.
   RunAllPendingInMessageLoop();
 
   helper_.TearDown();
 
   // Tear down the shell.
   Shell::DeleteInstance();
 }
 
 void AshTestBase::ChangeMonitorConfig(float scale,
                                       const gfx::Rect& bounds_in_pixel) {
   gfx::Monitor monitor = gfx::Monitor(gfx::Screen::GetPrimaryMonitor().id());
   monitor.SetScaleAndBounds(scale, bounds_in_pixel);
   std::vector<gfx::Monitor> monitors;
   monitors.push_back(monitor);
   aura::Env::GetInstance()->monitor_manager()->OnNativeMonitorsChanged(
       monitors);
 }
 
 void AshTestBase::RunAllPendingInMessageLoop() {
-  helper_.RunAllPendingInMessageLoop(Shell::GetRootWindow());
+  helper_.RunAllPendingInMessageLoop(Shell::GetPrimaryRootWindow());
 }
 
 }  // namespace test
 }  // namespace ash