Have Permission{Manager,Service} use Origin.

chrome/browser/media/midi_permission_context.cc

Index: chrome/browser/media/midi_permission_context.cc
diff --git a/chrome/browser/media/midi_permission_context.cc b/chrome/browser/media/midi_permission_context.cc
index f4987df5d2c54a491553fd3fb8bd0354fb529a71..e02d4e63bb77015ede8ceff9e284b2a84515722a 100644
--- a/chrome/browser/media/midi_permission_context.cc
+++ b/chrome/browser/media/midi_permission_context.cc
@@ -8,7 +8,7 @@
 #include "chrome/browser/permissions/permission_request_id.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/permission_type.h"
-#include "url/gurl.h"
+#include "url/origin.h"
 
 MidiPermissionContext::MidiPermissionContext(Profile* profile)
     : PermissionContextBase(profile,
@@ -18,22 +18,24 @@ MidiPermissionContext::MidiPermissionContext(Profile* profile)
 MidiPermissionContext::~MidiPermissionContext() {
 }
 
-void MidiPermissionContext::UpdateTabContext(const PermissionRequestID& id,
-                                             const GURL& requesting_frame,
-                                             bool allowed) {
+void MidiPermissionContext::UpdateTabContext(
+    const PermissionRequestID& id,
+    const url::Origin& requesting_frame,
+    bool allowed) {
   TabSpecificContentSettings* content_settings =
       TabSpecificContentSettings::GetForFrame(id.render_process_id(),
                                               id.render_frame_id());
   if (!content_settings)
     return;
 
+  const GURL requesting_url(requesting_frame.Serialize());
   if (allowed) {
-    content_settings->OnMidiSysExAccessed(requesting_frame);
+    content_settings->OnMidiSysExAccessed(requesting_url);
 
     content::ChildProcessSecurityPolicy::GetInstance()->
         GrantSendMidiSysExMessage(id.render_process_id());
   } else {
-    content_settings->OnMidiSysExAccessBlocked(requesting_frame);
+    content_settings->OnMidiSysExAccessBlocked(GURL(requesting_url));
   }
 }