Cancel MIDI permission request infobar on MIDIAccess stop.

content/browser/renderer_host/render_process_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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 581 matching lines @@
   // stashed in a member variable.
   audio_renderer_host_ = new AudioRendererHost(
       GetID(),
       audio_manager,
       BrowserMainLoop::GetInstance()->audio_mirroring_manager(),
       media_internals,
       media_stream_manager);
   AddFilter(audio_renderer_host_);
   AddFilter(
       new MIDIHost(GetID(), BrowserMainLoop::GetInstance()->midi_manager()));
-  AddFilter(new MIDIDispatcherHost(GetID(), browser_context));
+  AddFilter(new MIDIDispatcherHost(
+      GetID(), browser_context->GetMidiPermissionContext()));
   AddFilter(new VideoCaptureHost(media_stream_manager));
   AddFilter(new AppCacheDispatcherHost(
       storage_partition_impl_->GetAppCacheService(),
       GetID()));
   AddFilter(new ClipboardMessageFilter);
   AddFilter(new DOMStorageMessageFilter(
       GetID(),
       storage_partition_impl_->GetDOMStorageContext()));
   AddFilter(new IndexedDBDispatcherHost(
       GetID(),
@@ skipping 1206 matching lines @@
     // Skip widgets in other processes.
     if (widget->GetProcess()->GetID() != GetID())
       continue;
 
     RenderViewHost* rvh = RenderViewHost::From(widget);
     rvh->UpdateWebkitPreferences(rvh->GetWebkitPreferences());
   }
 }
 
 }  // namespace content