Convert Aura to use ui::Event.

ui/aura/focus_manager.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/aura/focus_manager.h"
 
 #include "ui/aura/client/activation_client.h"
 #include "ui/aura/focus_change_observer.h"
 #include "ui/aura/window_delegate.h"
 
 namespace aura {
 FocusManager::FocusManager() : focused_window_(NULL) {
 }
 
 FocusManager::~FocusManager() {
 }
 
 void FocusManager::AddObserver(FocusChangeObserver* observer) {
   observers_.AddObserver(observer);
 }
 
 void FocusManager::RemoveObserver(FocusChangeObserver* observer) {
   observers_.RemoveObserver(observer);
 }
 
 void FocusManager::SetFocusedWindow(Window* focused_window,
-                                    const Event* event) {
+                                    const ui::Event* event) {
   if (focused_window == focused_window_)
     return;
   if (focused_window && !focused_window->CanFocus())
     return;
   // The NULL-check of |focused_window| is essential here before asking the
   // activation client, since it is valid to clear the focus by calling
   // SetFocusedWindow() to NULL.
 
   if (focused_window) {
     RootWindow* root = focused_window->GetRootWindow();
@@ skipping 19 matching lines @@
 
 Window* FocusManager::GetFocusedWindow() {
   return focused_window_;
 }
 
 bool FocusManager::IsFocusedWindow(const Window* window) const {
   return focused_window_ == window;
 }
 
 }  // namespace ash