Re-land 16025005 with fix for statics perf issue

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 55 matching lines @@
 #include "content/browser/profiler_message_filter.h"
 #include "content/browser/renderer_host/clipboard_message_filter.h"
 #include "content/browser/renderer_host/database_message_filter.h"
 #include "content/browser/renderer_host/file_utilities_message_filter.h"
 #include "content/browser/renderer_host/gamepad_browser_message_filter.h"
 #include "content/browser/renderer_host/gpu_message_filter.h"
 #include "content/browser/renderer_host/media/audio_input_renderer_host.h"
 #include "content/browser/renderer_host/media/audio_mirroring_manager.h"
 #include "content/browser/renderer_host/media/audio_renderer_host.h"
 #include "content/browser/renderer_host/media/media_stream_dispatcher_host.h"
+#include "content/browser/renderer_host/media/midi_host.h"
 #include "content/browser/renderer_host/media/peer_connection_tracker_host.h"
 #include "content/browser/renderer_host/media/video_capture_host.h"
 #include "content/browser/renderer_host/memory_benchmark_message_filter.h"
 #include "content/browser/renderer_host/p2p/socket_dispatcher_host.h"
 #include "content/browser/renderer_host/pepper/pepper_message_filter.h"
 #include "content/browser/renderer_host/pepper/pepper_renderer_connection.h"
 #include "content/browser/renderer_host/quota_dispatcher_host.h"
 #include "content/browser/renderer_host/render_message_filter.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
@@ skipping 511 matching lines @@
   MediaStreamManager* media_stream_manager =
       BrowserMainLoop::GetInstance()->media_stream_manager();
   channel_->AddFilter(new AudioInputRendererHost(
       audio_manager,
       media_stream_manager,
       BrowserMainLoop::GetInstance()->audio_mirroring_manager()));
   channel_->AddFilter(new AudioRendererHost(
       GetID(), audio_manager,
       BrowserMainLoop::GetInstance()->audio_mirroring_manager(),
       media_internals, media_stream_manager));
+  channel_->AddFilter(
+      new MIDIHost(BrowserMainLoop::GetInstance()->midi_manager()));
   channel_->AddFilter(new VideoCaptureHost(media_stream_manager));
   channel_->AddFilter(new AppCacheDispatcherHost(
       storage_partition_impl_->GetAppCacheService(),
       GetID()));
   channel_->AddFilter(new ClipboardMessageFilter);
   channel_->AddFilter(new DOMStorageMessageFilter(
       GetID(),
       storage_partition_impl_->GetDOMStorageContext()));
   channel_->AddFilter(new IndexedDBDispatcherHost(
       GetID(),
@@ skipping 1155 matching lines @@
     // Skip widgets in other processes.
     if (widgets[i]->GetProcess()->GetID() != GetID())
       continue;
 
     RenderViewHost* rvh = RenderViewHost::From(widgets[i]);
     rvh->UpdateWebkitPreferences(rvh->GetWebkitPreferences());
   }
 }
 
 }  // namespace content