aura-mus: Implement Deactivate().

services/ui/demo/mus_demo.cc

 // Copyright 2016 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 "services/ui/demo/mus_demo.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/time/time.h"
 #include "services/service_manager/public/cpp/connector.h"
 #include "services/service_manager/public/cpp/service_context.h"
@@ skipping 196 matching lines @@
   // Don't care
 }
 
 void MusDemo::OnWmCancelMoveLoop(aura::Window* window) {}
 
 void MusDemo::OnWmSetClientArea(
     aura::Window* window,
     const gfx::Insets& insets,
     const std::vector<gfx::Rect>& additional_client_areas) {}
 
+void MusDemo::OnWmDeactivateWindow(aura::Window* window) {}
+
 void MusDemo::DrawFrame() {
   base::TimeTicks now = base::TimeTicks::Now();
 
   VLOG(1) << (now - last_draw_frame_time_).InMilliseconds()
           << "ms since the last frame was drawn.";
   last_draw_frame_time_ = now;
 
   angle_ += 2.0;
   if (angle_ >= 360.0)
     angle_ = 0.0;
@@ skipping 16 matching lines @@
   gfx::ImageSkiaRep image_skia_rep(bitmap, 1);
   gfx::ImageSkia image_skia(image_skia_rep);
   gfx::Image image(image_skia);
 
   window_delegate_->SetImage(image);
   bitmap_window_->SchedulePaintInRect(bitmap_window_->bounds());
 }
 
 }  // namespace demo
 }  // namespace aura