In Windows desktop Chrome AURA the HandleVisibilityChanged function on the HWNDMessageHandlerDelega…

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/activation_client.h"
 #include "ui/aura/client/aura_constants.h"
 #include "ui/aura/client/stacking_client.h"
@@ skipping 541 matching lines @@
   return desktop_root_window_host_->GetWorkAreaBoundsInScreen();
 }
 
 void DesktopNativeWidgetAura::SetInactiveRenderingDisabled(bool value) {
   if (!value) {
     active_window_observer_.reset();
   } else {
     active_window_observer_.reset(
         new NativeWidgetAuraWindowObserver(window_, native_widget_delegate_));
   }
+  desktop_root_window_host_->SetInactiveRenderingDisabled(value);
 }
 
 Widget::MoveLoopResult DesktopNativeWidgetAura::RunMoveLoop(
     const gfx::Vector2d& drag_offset,
     Widget::MoveLoopSource source) {
   return desktop_root_window_host_->RunMoveLoop(drag_offset, source);
 }
 
 void DesktopNativeWidgetAura::EndMoveLoop() {
   desktop_root_window_host_->EndMoveLoop();
@@ skipping 261 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