Rename GetRootWindow() -> GetPrimaryRootWindow()

ash/magnifier/magnification_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/magnifier/magnification_controller.h"
 
 #include "ash/shell.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_property.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
 
 namespace {
 
 const float kMaximumMagnifiScale = 4.0f;
 const float kMaximumMagnifiScaleThreshold = 4.0f;
 const float kMinimumMagnifiScale = 1.0f;
 const float kMinimumMagnifiScaleThreshold = 1.1f;
 
 }  // namespace
 
 namespace ash {
 namespace internal {
 
 MagnificationController::MagnificationController()
     : scale_(1.0f), x_(0), y_(0) {
-  root_window_ = ash::Shell::GetRootWindow();
+  root_window_ = ash::Shell::GetPrimaryRootWindow();
 }
 
 void MagnificationController::SetScale(float scale) {
   scale_ = scale;
   RedrawScreen(true);
 }
 
 void MagnificationController::MoveWindow(int x, int y) {
   y_ = y;
   x_ = x;
@@ skipping 81 matching lines @@
 gfx::Rect MagnificationController::GetWindowRect() {
   gfx::Size size = root_window_->GetHostSize();
   int width = size.width() / scale_;
   int height = size.height() / scale_;
 
   return gfx::Rect(x_, y_, width, height);
 }
 
 }  // namespace internal
 }  // namespace ash