Remove NotificationDelegate::process_id().

chrome/browser/notifications/notification_object_proxy.cc

Index: chrome/browser/notifications/notification_object_proxy.cc
diff --git a/chrome/browser/notifications/notification_object_proxy.cc b/chrome/browser/notifications/notification_object_proxy.cc
index 1025c59791941ea7803bc4410a6460ce9e2c6db4..a21b4c0bf6290b24444fd94e2bf224a4cd0dbdd0 100644
--- a/chrome/browser/notifications/notification_object_proxy.cc
+++ b/chrome/browser/notifications/notification_object_proxy.cc
@@ -49,10 +49,6 @@ std::string NotificationObjectProxy::id() const {
   return id_;
 }
 
-int NotificationObjectProxy::process_id() const {
-  return render_process_id_;
-}
-
 content::WebContents* NotificationObjectProxy::GetWebContents() const {
   return content::WebContents::FromRenderFrameHost(
       content::RenderFrameHost::FromID(render_process_id_, render_frame_id_));