[mus+ash] Removes WmWindow from ash/shelf and ash/shell

ash/wm/video_detector.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 "ash/wm/video_detector.h"
 
 #include "ash/public/cpp/shell_window_ids.h"
 #include "ash/shell.h"
 #include "ash/wm/window_state.h"
-#include "ash/wm_window.h"
 #include "ui/aura/env.h"
 #include "ui/aura/window.h"
 #include "ui/aura/window_event_dispatcher.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/wm/core/window_util.h"
 
 namespace ash {
 
 const int VideoDetector::kMinUpdateWidth = 333;
 const int VideoDetector::kMinUpdateHeight = 250;
@@ skipping 168 matching lines @@
   }
 
   if (state_ != new_state) {
     state_ = new_state;
     for (auto& observer : observers_)
       observer.OnVideoStateChanged(state_);
   }
 }
 
 }  // namespace ash