chromeos: Promotes more from WmShell to Shell

ash/common/wallpaper/wallpaper_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/common/wallpaper/wallpaper_controller.h"
 
 #include <string>
 #include <utility>
 
 #include "ash/common/ash_switches.h"
@@ skipping 216 matching lines @@
   // Compare layouts only if necessary.
   if (compare_layouts && layout != current_wallpaper_->layout())
     return false;
 
   return wallpaper::WallpaperResizer::GetImageId(image) ==
          current_wallpaper_->original_image_id();
 }
 
 void WallpaperController::OpenSetWallpaperPage() {
   if (wallpaper_picker_ &&
-      WmShell::Get()->wallpaper_delegate()->CanOpenSetWallpaperPage()) {
+      Shell::Get()->wallpaper_delegate()->CanOpenSetWallpaperPage()) {
     wallpaper_picker_->Open();
   }
 }
 
 void WallpaperController::SetWallpaperPicker(mojom::WallpaperPickerPtr picker) {
   wallpaper_picker_ = std::move(picker);
 }
 
 void WallpaperController::SetWallpaper(const SkBitmap& wallpaper,
                                        wallpaper::WallpaperLayout layout) {
@@ skipping 71 matching lines @@
   return moved;
 }
 
 int WallpaperController::GetWallpaperContainerId(bool locked) {
   return locked ? kShellWindowId_LockScreenWallpaperContainer
                 : kShellWindowId_WallpaperContainer;
 }
 
 void WallpaperController::UpdateWallpaper(bool clear_cache) {
   current_wallpaper_.reset();
-  WmShell::Get()->wallpaper_delegate()->UpdateWallpaper(clear_cache);
+  Shell::Get()->wallpaper_delegate()->UpdateWallpaper(clear_cache);
 }
 
 void WallpaperController::SetProminentColor(SkColor color) {
   if (prominent_color_ == color)
     return;
 
   prominent_color_ = color;
   for (auto& observer : observers_)
     observer.OnWallpaperColorsChanged();
 }
 
 void WallpaperController::CalculateWallpaperColors() {
   color_utils::LumaRange luma;
   color_utils::SaturationRange saturation;
   if (!GetProminentColorProfile(&luma, &saturation))
     return;
 
   if (color_calculator_)
     color_calculator_->RemoveObserver(this);
 
   color_calculator_ = base::MakeUnique<wallpaper::WallpaperColorCalculator>(
       GetWallpaper(), luma, saturation, task_runner_);
   color_calculator_->AddObserver(this);
   if (!color_calculator_->StartCalculation())
     SetProminentColor(SK_ColorTRANSPARENT);
 }
 
 }  // namespace ash