chromeos: Rename ash::WmShelf to Shelf

ash/system/toast/toast_overlay.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/system/toast/toast_overlay.h"
 
 #include "ash/public/cpp/ash_typography.h"
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/root_window_controller.h"
-#include "ash/shelf/wm_shelf.h"
+#include "ash/shelf/shelf.h"
 #include "ash/shell.h"
 #include "ash/strings/grit/ash_strings.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/font_list.h"
 #include "ui/views/border.h"
@@ skipping 21 matching lines @@
 
 // These values are in DIP.
 const int kToastHorizontalSpacing = 16;
 const int kToastVerticalSpacing = 16;
 const int kToastMaximumWidth = 568;
 const int kToastMinimumWidth = 288;
 
 // Returns the work area bounds for the root window where new windows are added
 // (including new toasts).
 gfx::Rect GetUserWorkAreaBounds() {
-  return WmShelf::ForWindow(Shell::GetRootWindowForNewWindows())
+  return Shelf::ForWindow(Shell::GetRootWindowForNewWindows())
       ->GetUserWorkAreaBounds();
 }
 
 }  // anonymous namespace
 
 ///////////////////////////////////////////////////////////////////////////////
 //  ToastOverlayLabel
 class ToastOverlayLabel : public views::Label {
  public:
   explicit ToastOverlayLabel(const base::string16& label);
@@ skipping 226 matching lines @@
 ToastOverlayButton* ToastOverlay::dismiss_button_for_testing() {
   return overlay_view_->button();
 }
 
 void ToastOverlay::ClickDismissButtonForTesting(const ui::Event& event) {
   DCHECK(overlay_view_->button());
   overlay_view_->button()->NotifyClick(event);
 }
 
 }  // namespace ash