[Media] Add user gesture reporting for API calls to midi and media streams.

chrome/browser/media/chrome_midi_permission_context.cc

Index: chrome/browser/media/chrome_midi_permission_context.cc
diff --git a/chrome/browser/media/chrome_midi_permission_context.cc b/chrome/browser/media/chrome_midi_permission_context.cc
index 7abcaff973f189f23e14df57dd57bb7872f3d88f..ebbc35e6835ba2dc0d359fc5a331f3515c9b7940 100644
--- a/chrome/browser/media/chrome_midi_permission_context.cc
+++ b/chrome/browser/media/chrome_midi_permission_context.cc
@@ -120,6 +120,7 @@ void ChromeMidiPermissionContext::RequestMidiSysExPermission(
     int render_view_id,
     int bridge_id,
     const GURL& requesting_frame,
+    bool user_gesture,
     const content::BrowserContext::MidiSysExPermissionCallback& callback) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   DCHECK(!shutting_down_);
@@ -149,7 +150,8 @@ void ChromeMidiPermissionContext::RequestMidiSysExPermission(
     return;
   }
 
-  DecidePermission(web_contents, id, requesting_frame, embedder, callback);
+  DecidePermission(web_contents, id, requesting_frame, embedder, user_gesture,
+                   callback);
 }
 
 void ChromeMidiPermissionContext::CancelMidiSysExPermissionRequest(
@@ -166,6 +168,7 @@ void ChromeMidiPermissionContext::DecidePermission(
     const PermissionRequestID& id,
     const GURL& requesting_frame,
     const GURL& embedder,
+    bool user_gesture,

[Lei Zhang, 2014/03/12 22:54:08]

Why bother passing it to the internal method if it's not used?

[Greg Billock, 2014/03/24 21:19:42]

The API change went in, so I'll just push it all the way through now.

     const content::BrowserContext::MidiSysExPermissionCallback& callback) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));