Replace views::MouseEvent with ui::MouseEvent

ash/desktop_background/desktop_background_view.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/desktop_background/desktop_background_view.h"
 
 #include <limits>
 
 #include "ash/ash_export.h"
 #include "ash/desktop_background/desktop_background_controller.h"
@@ skipping 108 matching lines @@
     // This is generally not recommended as it may show artifacts.
     canvas->DrawImageInt(wallpaper, 0, 0, wallpaper.width(),
         wallpaper.height(), 0, 0, width(), height(), true);
   } else {
     // All other are simply centered, and not scaled (but may be clipped).
      canvas->DrawImageInt(wallpaper, (width() - wallpaper.width()) / 2,
          (height() - wallpaper.height()) / 2);
   }
 }
 
-bool DesktopBackgroundView::OnMousePressed(const views::MouseEvent& event) {
+bool DesktopBackgroundView::OnMousePressed(const ui::MouseEvent& event) {
   return true;
 }
 
 void DesktopBackgroundView::ShowContextMenuForView(views::View* source,
                                                    const gfx::Point& point) {
   Shell::GetInstance()->ShowBackgroundMenu(GetWidget(), point);
 }
 
 views::Widget* CreateDesktopBackground(aura::RootWindow* root_window,
                                        int container_id) {
@@ skipping 22 matching lines @@
   settings.AddObserver(new ShowWallpaperAnimationObserver(root_window,
                                                           container_id,
                                                           desktop_widget));
   desktop_widget->Show();
   desktop_widget->GetNativeView()->SetName("DesktopBackgroundView");
   return desktop_widget;
 }
 
 }  // namespace internal
 }  // namespace ash