Replace views::MouseEvent with ui::MouseEvent

ash/system/tray/system_tray.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/system/tray/system_tray.h"
 
 #include "ash/shell.h"
 #include "ash/shell/panel_window.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/audio/tray_volume.h"
@@ skipping 459 matching lines @@
         gfx::Point point(located_event.x(), 0);
         ConvertPointToWidget(this, &point);
         arrow_offset = point.x();
       }
     }
     ShowDefaultViewWithOffset(BUBBLE_CREATE_NEW, arrow_offset);
   }
   return true;
 }
 
-void SystemTray::OnMouseEntered(const views::MouseEvent& event) {
+void SystemTray::OnMouseEntered(const ui::MouseEvent& event) {
   TrayBackgroundView::OnMouseEntered(event);
   should_show_launcher_ = true;
 }
 
-void SystemTray::OnMouseExited(const views::MouseEvent& event) {
+void SystemTray::OnMouseExited(const ui::MouseEvent& event) {
   TrayBackgroundView::OnMouseExited(event);
   // When the popup closes we'll update |should_show_launcher_|.
   if (!bubble_.get())
     should_show_launcher_ = false;
 }
 
 void SystemTray::AboutToRequestFocusFromTabTraversal(bool reverse) {
   views::View* v = GetNextFocusableView();
   if (v)
     v->AboutToRequestFocusFromTabTraversal(reverse);
 }
 
 void SystemTray::GetAccessibleState(ui::AccessibleViewState* state) {
   state->role = ui::AccessibilityTypes::ROLE_PUSHBUTTON;
   state->name = l10n_util::GetStringUTF16(
       IDS_ASH_STATUS_TRAY_ACCESSIBLE_NAME);
 }
 
 void SystemTray::OnPaintFocusBorder(gfx::Canvas* canvas) {
   // The tray itself expands to the right and bottom edge of the screen to make
   // sure clicking on the edges brings up the popup. However, the focus border
   // should be only around the container.
   if (GetWidget() && GetWidget()->IsActive())
     DrawBorder(canvas, GetContentsBounds());
 }
 
 }  // namespace ash