Removes calls to Widget::OnNativeWidgetActivationChanged() from

ui/views/widget/desktop_aura/desktop_native_widget_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 "ui/views/widget/desktop_aura/desktop_native_widget_aura.h"
 
 #include "base/bind.h"
 #include "ui/aura/client/stacking_client.h"
 #include "ui/aura/focus_manager.h"
 #include "ui/aura/root_window.h"
@@ skipping 601 matching lines @@
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // DesktopNativeWidgetAura, aura::ActivationDelegate implementation:
 
 bool DesktopNativeWidgetAura::ShouldActivate() const {
   return can_activate_ && native_widget_delegate_->CanActivate();
 }
 
 void DesktopNativeWidgetAura::OnActivated() {
-  native_widget_delegate_->OnNativeWidgetActivationChanged(true);
   if (IsVisible() && GetWidget()->non_client_view())
     GetWidget()->non_client_view()->SchedulePaint();
 }
 
 void DesktopNativeWidgetAura::OnLostActive() {
-  native_widget_delegate_->OnNativeWidgetActivationChanged(false);
   if (IsVisible() && GetWidget()->non_client_view())
     GetWidget()->non_client_view()->SchedulePaint();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // DesktopNativeWidgetAura, views::internal::InputMethodDelegate:
 
 void DesktopNativeWidgetAura::DispatchKeyEventPostIME(const ui::KeyEvent& key) {
   FocusManager* focus_manager =
       native_widget_delegate_->AsWidget()->GetFocusManager();
@@ skipping 23 matching lines @@
   drop_helper_->OnDragExit();
 }
 
 int DesktopNativeWidgetAura::OnPerformDrop(const ui::DropTargetEvent& event) {
   DCHECK(drop_helper_.get() != NULL);
   return drop_helper_->OnDrop(event.data(), event.location(),
       last_drop_operation_);
 }
 
 }  // namespace views