aura: Fix WidgetFocusChangeListener::OnNativeFocusChange().

ui/views/widget/native_widget_win.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/views/widget/native_widget_win.h"
 
 #include <dwmapi.h>
 #include <shellapi.h>
 
 #include <algorithm>
@@ skipping 2004 matching lines @@
                                      WPARAM w_param,
                                      LPARAM l_param) {
   // Using ScopedRedrawLock here frequently allows content behind this window to
   // paint in front of this window, causing glaring rendering artifacts.
   // If omitting ScopedRedrawLock here triggers caption rendering artifacts via
   // DefWindowProc message handling, we'll need to find a better solution.
   SetMsgHandled(FALSE);
   return 0;
 }
 
-void NativeWidgetWin::OnSetFocus(HWND focused_window) {
-  delegate_->OnNativeFocus(focused_window);
+void NativeWidgetWin::OnSetFocus(HWND old_focused_window) {
+  delegate_->OnNativeFocus(old_focused_window);
   InputMethod* input_method = GetWidget()->GetInputMethodDirect();
   if (input_method)
     input_method->OnFocus();
   SetMsgHandled(FALSE);
 }
 
 LRESULT NativeWidgetWin::OnSetText(const wchar_t* text) {
   // DefWindowProc for WM_SETTEXT does weird non-client painting, so we need to
   // call it inside a ScopedRedrawLock.
   return DefWindowProcWithRedrawLock(WM_SETTEXT, NULL,
@@ skipping 747 matching lines @@
 // static
 bool NativeWidgetPrivate::IsTouchDown() {
   // This currently isn't necessary because we're not generating touch events on
   // windows.  When we do, this will need to be updated.
   return false;
 }
 
 }  // namespace internal
 
 }  // namespace views