Replace views::Event with ui::Event.

ash/system/tray/tray_views.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/tray_views.h"
 
 #include "ash/system/tray/tray_constants.h"
 #include "ash/system/tray/tray_item_view.h"
 #include "grit/ash_strings.h"
 #include "grit/ui_resources.h"
@@ skipping 200 matching lines @@
   text_label_->SetHorizontalAlignment(views::Label::ALIGN_LEFT);
   text_label_->SetFont(text_label_->font().DeriveFont(0, style));
   text_label_->SetDisabledColor(SkColorSetARGB(127, 0, 0, 0));
   if (text_default_color_)
     text_label_->SetEnabledColor(text_default_color_);
   AddChildView(text_label_);
 
   SetAccessibleName(text);
 }
 
-bool HoverHighlightView::PerformAction(const views::Event& event) {
+bool HoverHighlightView::PerformAction(const ui::Event& event) {
   if (!listener_)
     return false;
   listener_->ClickedOn(this);
   return true;
 }
 
 gfx::Size HoverHighlightView::GetPreferredSize() {
   gfx::Size size = ActionableView::GetPreferredSize();
   if (fixed_height_)
     size.set_height(fixed_height_);
@@ skipping 420 matching lines @@
     tray_view->set_border(views::Border::CreateEmptyBorder(
         kTrayLabelItemVerticalPaddingVeriticalAlignment,
         horizontal_padding,
         kTrayLabelItemVerticalPaddingVeriticalAlignment,
         horizontal_padding));
   }
 }
 
 }  // namespace internal
 }  // namespace ash