Include whether Notification permission was requested with a user gesture.

content/browser/frame_host/render_frame_host_impl.cc

Index: content/browser/frame_host/render_frame_host_impl.cc
diff --git a/content/browser/frame_host/render_frame_host_impl.cc b/content/browser/frame_host/render_frame_host_impl.cc
index 429e8a18bf188d787970290582bc5ac63cdf1f2b..f499922b077fd1638132a32ed3a21109d5504078 100644
--- a/content/browser/frame_host/render_frame_host_impl.cc
+++ b/content/browser/frame_host/render_frame_host_impl.cc
@@ -937,7 +937,7 @@ void RenderFrameHostImpl::OnRunBeforeUnloadConfirm(
 }
 
 void RenderFrameHostImpl::OnRequestPlatformNotificationPermission(
-    const GURL& origin, int request_id) {
+    const GURL& origin, int request_id, bool user_gesture) {
   base::Callback<void(bool)> done_callback = base::Bind(
       &RenderFrameHostImpl::PlatformNotificationPermissionRequestDone,
       weak_ptr_factory_.GetWeakPtr(),
@@ -946,13 +946,12 @@ void RenderFrameHostImpl::OnRequestPlatformNotificationPermission(
   if (!delegate()->GetAsWebContents())
     return;
 
-  // TODO(peter): plumb user_gesture and bridge_id.
   GetContentClient()->browser()->RequestPermission(
       content::PERMISSION_NOTIFICATIONS,
       delegate()->GetAsWebContents(),
       routing_id_,
       origin,
-      true,  // user_gesture,
+      user_gesture,
       done_callback);
 }