Make Interaction Media Features MQ dynamic on Windows.

content/browser/renderer_host/render_view_host_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <map>
 #include <memory>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/process/kill.h"
 #include "build/build_config.h"
+#include "content/browser/renderer_host/input/input_device_change_observer.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_owner_delegate.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/render_process_host_observer.h"
 #include "content/public/browser/render_view_host.h"
 #include "net/base/load_states.h"
 #include "third_party/WebKit/public/web/WebAXEnums.h"
 #include "third_party/WebKit/public/web/WebConsoleMessage.h"
 #include "third_party/WebKit/public/web/WebPopupType.h"
@@ skipping 284 matching lines @@
   // is in turn called when any of the settings change that the WebPreferences
   // values depend on.
   std::unique_ptr<WebPreferences> web_preferences_;
 
   // The timeout monitor that runs from when the page close is started in
   // ClosePage() until either the render process ACKs the close with an IPC to
   // OnClosePageACK(), or until the timeout triggers and the page is forcibly
   // closed.
   std::unique_ptr<TimeoutMonitor> close_timeout_;
 
+  // This monitors input changes so they can be reflected to the interaction MQ.
+  std::unique_ptr<InputDeviceChangeObserver> input_device_change_observer_;
+
   bool updating_web_preferences_;
 
   bool render_view_ready_on_process_launch_;
 
   base::WeakPtrFactory<RenderViewHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_