Make Interaction Media Features MQ dynamic on Windows.

content/browser/renderer_host/render_view_host_impl.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 "content/browser/renderer_host/render_view_host_impl.h"
 
 #include <set>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 216 matching lines @@
   if (ResourceDispatcherHostImpl::Get()) {
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&ResourceDispatcherHostImpl::OnRenderViewHostCreated,
                    base::Unretained(ResourceDispatcherHostImpl::Get()),
                    GetProcess()->GetID(), GetRoutingID()));
   }
 
   close_timeout_.reset(new TimeoutMonitor(base::Bind(
       &RenderViewHostImpl::ClosePageTimeout, weak_factory_.GetWeakPtr())));
+
+  input_device_change_observer_.reset(new InputDeviceChangeObserver(this));
 }
 
 RenderViewHostImpl::~RenderViewHostImpl() {
   if (ResourceDispatcherHostImpl::Get()) {
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&ResourceDispatcherHostImpl::OnRenderViewHostDeleted,
                    base::Unretained(ResourceDispatcherHostImpl::Get()),
                    GetProcess()->GetID(), GetRoutingID()));
   }
-
   delegate_->RenderViewDeleted(this);
   GetProcess()->RemoveObserver(this);
 }
 
 RenderViewHostDelegate* RenderViewHostImpl::GetDelegate() const {
   return delegate_;
 }
 
 SiteInstanceImpl* RenderViewHostImpl::GetSiteInstance() const {
   return instance_.get();
@@ skipping 703 matching lines @@
 }
 
 void RenderViewHostImpl::ClosePageTimeout() {
   if (delegate_->ShouldIgnoreUnresponsiveRenderer())
     return;
 
   ClosePageIgnoringUnloadEvents();
 }
 
 }  // namespace content