Remove code for the old Web Notification permission-path.

content/renderer/active_notification_tracker.cc

Index: content/renderer/active_notification_tracker.cc
diff --git a/content/renderer/active_notification_tracker.cc b/content/renderer/active_notification_tracker.cc
index ff2d9cf656120fbb55c593c35ffde1870b65c0a5..2a958a5877d5f2c391dd739159b33cd4b19662dc 100644
--- a/content/renderer/active_notification_tracker.cc
+++ b/content/renderer/active_notification_tracker.cc
@@ -7,10 +7,8 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "third_party/WebKit/public/web/WebNotification.h"
-#include "third_party/WebKit/public/web/WebNotificationPermissionCallback.h"
 
 using blink::WebNotification;
-using blink::WebNotificationPermissionCallback;
 
 namespace content {
 
@@ -66,18 +64,4 @@ void ActiveNotificationTracker::Clear() {
   }
 }
 
-WebNotificationPermissionCallback* ActiveNotificationTracker::GetCallback(
-    int id) {
-  return callback_table_.Lookup(id);
-}
-
-int ActiveNotificationTracker::RegisterPermissionRequest(
-    WebNotificationPermissionCallback* callback) {
-  return callback_table_.Add(callback);
-}
-
-void ActiveNotificationTracker::OnPermissionRequestComplete(int id) {
-  callback_table_.Remove(id);
-}
-
 }  // namespace content