aura: Fix WidgetFocusChangeListener::OnNativeFocusChange().

content/browser/web_contents/web_contents_view_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 "content/browser/web_contents/web_contents_view_aura.h"
 
 #include "base/utf_string_conversions.h"
 #include "content/browser/renderer_host/dip_util.h"
 #include "content/browser/renderer_host/render_view_host_factory.h"
 #include "content/browser/web_contents/interstitial_page_impl.h"
@@ skipping 472 matching lines @@
   return gfx::Size();
 }
 
 void WebContentsViewAura::OnBoundsChanged(const gfx::Rect& old_bounds,
                                           const gfx::Rect& new_bounds) {
   SizeChangedCommon(new_bounds.size());
   if (delegate_.get())
     delegate_->SizeChanged(new_bounds.size());
 }
 
-void WebContentsViewAura::OnFocus() {
+void WebContentsViewAura::OnFocus(aura::Window* old_focused_window) {
 }
 
 void WebContentsViewAura::OnBlur() {
 }
 
 bool WebContentsViewAura::OnKeyEvent(aura::KeyEvent* event) {
   return false;
 }
 
 gfx::NativeCursor WebContentsViewAura::GetCursor(const gfx::Point& point) {
@@ skipping 131 matching lines @@
     OnDragEntered(event);
 
   web_contents_->GetRenderViewHost()->DragTargetDrop(
       event.location(),
       GetNativeView()->GetRootWindow()->last_mouse_location(),
       ConvertAuraEventFlagsToWebInputEventModifiers(event.flags()));
   if (drag_dest_delegate_)
     drag_dest_delegate_->OnDrop();
   return current_drag_op_;
 }