Replace views::Event with ui::Event.

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 437 matching lines @@
   UpdateAfterShelfAlignmentChange(alignment);
   // Destroy any existing bubble so that it is rebuilt correctly.
   bubble_.reset();
   // Rebuild any notification bubble.
   if (notification_bubble_.get()) {
     notification_bubble_.reset();
     UpdateNotificationBubble();
   }
 }
 
-bool SystemTray::PerformAction(const views::Event& event) {
+bool SystemTray::PerformAction(const ui::Event& event) {
   // If we're already showing the default view, hide it; otherwise, show it
   // (and hide any popup that's currently shown).
   if (bubble_.get() &&
       bubble_->bubble_type() == SystemTrayBubble::BUBBLE_TYPE_DEFAULT) {
     bubble_->Close();
   } else {
     int arrow_offset = TrayBubbleView::InitParams::kArrowDefaultOffset;
     if (event.IsMouseEvent() || event.type() == ui::ET_GESTURE_TAP) {
       const views::LocatedEvent& located_event =
           static_cast<const views::LocatedEvent&>(event);
@@ skipping 34 matching lines @@
 
 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