Web MIDI: add RequestMIDISysExPermission to BrowserContext

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 64064a727764b9fce689d299a34f36514572d428..52fda4c7bceec6ad9b75b5e35b5dd360e2ceda8f 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl.cc
+++ b/chrome/browser/profiles/off_the_record_profile_impl.cc
@@ -279,6 +279,15 @@ OffTheRecordProfileImpl::GetMediaRequestContextForStoragePartition(
       .get();
 }
 
+void OffTheRecordProfileImpl::RequestMIDISysExPermission(
+      int render_process_id,
+      int render_view_id,
+      const GURL& requesting_frame,
+      const MIDISysExPermissionCallback& callback) {
+  // TODO(toyoshim): Implement.
+  callback.Run(false);
+}
+
 net::URLRequestContextGetter*
     OffTheRecordProfileImpl::GetRequestContextForExtensions() {
   return io_data_.GetExtensionsRequestContextGetter().get();