Web MIDI: implement permission infobar

chrome/browser/profiles/off_the_record_profile_impl.cc

Index: chrome/browser/profiles/off_the_record_profile_impl.cc
diff --git a/chrome/browser/profiles/off_the_record_profile_impl.cc b/chrome/browser/profiles/off_the_record_profile_impl.cc
index a14d3ab183eab9053b3a94bbef20a334d9fd1c44..1c8acf5cbdb5919a5b95eb91efef9b945a83276c 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl.cc
+++ b/chrome/browser/profiles/off_the_record_profile_impl.cc
@@ -28,6 +28,8 @@
 #include "chrome/browser/geolocation/chrome_geolocation_permission_context.h"
 #include "chrome/browser/geolocation/chrome_geolocation_permission_context_factory.h"
 #include "chrome/browser/io_thread.h"
+#include "chrome/browser/media/chrome_midi_permission_context.h"
+#include "chrome/browser/media/chrome_midi_permission_context_factory.h"
 #include "chrome/browser/net/pref_proxy_config_tracker.h"
 #include "chrome/browser/net/proxy_service_factory.h"
 #include "chrome/browser/plugins/chrome_plugin_service_filter.h"
@@ -286,8 +288,12 @@ void OffTheRecordProfileImpl::RequestMIDISysExPermission(
       int render_view_id,
       const GURL& requesting_frame,
       const MIDISysExPermissionCallback& callback) {
-  // TODO(toyoshim): Implement. http://crbug.com/257618 .
-  callback.Run(false);
+  ChromeMIDIPermissionContext* context =
+      ChromeMIDIPermissionContextFactory::GetForProfile(this);
+  context->RequestMIDISysExPermission(render_process_id,
+                                      render_view_id,
+                                      requesting_frame,
+                                      callback);
 }
 
 net::URLRequestContextGetter*