Web MIDI API back-end (work-in-progress)

content/browser/browser_main_loop.cc

Index: content/browser/browser_main_loop.cc
diff --git a/content/browser/browser_main_loop.cc b/content/browser/browser_main_loop.cc
index 56d8549a41cd985ee3057693b9864415522704e1..b5cf9000fbaa2e04858ef01e47e8af44ee1eaf1e 100644
--- a/content/browser/browser_main_loop.cc
+++ b/content/browser/browser_main_loop.cc
@@ -47,6 +47,7 @@
 #include "crypto/nss_util.h"
 #include "media/audio/audio_manager.h"
 #include "media/base/media.h"
+#include "media/midi/midi_manager.h"
 #include "net/base/network_change_notifier.h"
 #include "net/socket/client_socket_factory.h"
 #include "net/ssl/ssl_config_service.h"
@@ -268,6 +269,10 @@ media::AudioManager* BrowserMainLoop::GetAudioManager() {
   return g_current_browser_main_loop->audio_manager_.get();
 }
 
+media::MIDIManager* BrowserMainLoop::GetMIDIManager() {
+  return g_current_browser_main_loop->midi_manager_.get();
+}
+
 // static
 AudioMirroringManager* BrowserMainLoop::GetAudioMirroringManager() {
   return g_current_browser_main_loop->audio_mirroring_manager_.get();
@@ -396,7 +401,10 @@ void BrowserMainLoop::MainMessageLoopStart() {
     TRACE_EVENT0("startup", "BrowserMainLoop::Subsystem:AudioMan")
     audio_manager_.reset(media::AudioManager::Create());
   }
-
+  {
+    TRACE_EVENT0("startup", "BrowserMainLoop::Subsystem:MIDIManager")
+    midi_manager_.reset(media::MIDIManager::Create());
+  }
 
 #if !defined(OS_IOS)
   {