Remove views::KeyEvent, replacing uses of it with ui::KeyEvent.

chrome/browser/ui/views/dropdown_bar_host_aura.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 "chrome/browser/ui/views/dropdown_bar_host.h"
 
 #include "base/logging.h"
 #include "ui/aura/window.h"
+#include "ui/base/event.h"
 #include "ui/views/widget/widget.h"
 
 using content::NativeWebKeyboardEvent;
 using content::WebContents;
 
 NativeWebKeyboardEvent DropdownBarHost::GetKeyboardEvent(
      const WebContents* contents,
-     const views::KeyEvent& key_event) {
-  return NativeWebKeyboardEvent(key_event.native_event());
+     const ui::KeyEvent& key_event) {
+  ui::Event* ui_event =
+      static_cast<ui::Event*>(const_cast<ui::KeyEvent*>(&key_event));
+  return NativeWebKeyboardEvent(ui_event);
 }
 
 void DropdownBarHost::SetWidgetPositionNative(const gfx::Rect& new_pos,
                                               bool no_redraw) {
   if (!host_->IsVisible())
     host_->GetNativeView()->Show();
   host_->GetNativeView()->SetBounds(new_pos);
   host_->StackAtTop();
 }