Replace views::Event with ui::Event.

ui/app_list/page_switcher.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 "ui/app_list/page_switcher.h"
 
 #include <algorithm>
 
 #include "third_party/skia/include/core/SkPath.h"
 #include "ui/app_list/pagination_model.h"
@@ skipping 157 matching lines @@
                           std::max(kMinButtonWidth, button_width));
 
   for (int i = 0; i < button_count; ++i) {
     PageSwitcherButton* button =
         static_cast<PageSwitcherButton*>(buttons_->child_at(i));
     button->set_button_width(button_width);
   }
 }
 
 void PageSwitcher::ButtonPressed(views::Button* sender,
-                                 const views::Event& event) {
+                                 const ui::Event& event) {
   for (int i = 0; i < buttons_->child_count(); ++i) {
     if (sender == static_cast<views::Button*>(buttons_->child_at(i))) {
       model_->SelectPage(i, true /* animate */);
       break;
     }
   }
 }
 
 void PageSwitcher::TotalPagesChanged() {
   buttons_->RemoveAllChildViews(true);
@@ skipping 24 matching lines @@
     remaining = -remaining;
     progress = -progress;
   }
 
   GetButtonByIndex(buttons_, current_page)->SetSelectedRange(remaining);
   if (model_->is_valid_page(target_page))
     GetButtonByIndex(buttons_, target_page)->SetSelectedRange(progress);
 }
 
 }  // namespace app_list