Promotes a handful of members from WmShell to Shell

ash/common/system/chromeos/palette/tools/capture_screen_action.cc

 // Copyright 2016 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/system/chromeos/palette/tools/capture_screen_action.h"
 
 #include "ash/common/palette_delegate.h"
 #include "ash/common/system/chromeos/palette/palette_ids.h"
-#include "ash/common/wm_shell.h"
 #include "ash/resources/vector_icons/vector_icons.h"
+#include "ash/shell.h"
 #include "ash/strings/grit/ash_strings.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace ash {
 
 CaptureScreenAction::CaptureScreenAction(Delegate* delegate)
     : CommonPaletteTool(delegate) {}
 
 CaptureScreenAction::~CaptureScreenAction() {}
 
 PaletteGroup CaptureScreenAction::GetGroup() const {
   return PaletteGroup::ACTION;
 }
 
 PaletteToolId CaptureScreenAction::GetToolId() const {
   return PaletteToolId::CAPTURE_SCREEN;
 }
 
 void CaptureScreenAction::OnEnable() {
   CommonPaletteTool::OnEnable();
 
   delegate()->DisableTool(GetToolId());
   delegate()->HidePaletteImmediately();
-  WmShell::Get()->palette_delegate()->TakeScreenshot();
+  Shell::GetInstance()->palette_delegate()->TakeScreenshot();
 }
 
 views::View* CaptureScreenAction::CreateView() {
   return CreateDefaultView(
       l10n_util::GetStringUTF16(IDS_ASH_STYLUS_TOOLS_CAPTURE_SCREEN_ACTION));
 }
 
 const gfx::VectorIcon& CaptureScreenAction::GetPaletteIcon() const {
   return kPaletteActionCaptureScreenIcon;
 }
 
 }  // namespace ash