Remove code for the old Web Notification permission-path.

content/common/desktop_notification_messages.h

Index: content/common/desktop_notification_messages.h
diff --git a/content/common/desktop_notification_messages.h b/content/common/desktop_notification_messages.h
index 48506dd8cf8816f2d62542103b905aab30bfef6b..691afaa9deb54e11d39a4fa3ff775358c4f0e97f 100644
--- a/content/common/desktop_notification_messages.h
+++ b/content/common/desktop_notification_messages.h
@@ -40,10 +40,6 @@ IPC_MESSAGE_ROUTED2(DesktopNotificationMsg_PostClose,
 IPC_MESSAGE_ROUTED1(DesktopNotificationMsg_PostClick,
                     int /* notification_id */)
 
-// Informs the renderer that the one if its notifications has closed.
-IPC_MESSAGE_ROUTED1(DesktopNotificationMsg_PermissionRequestDone,
-                    int /* request_id */)
-
 // Messages sent from the renderer to the browser.
 
 IPC_MESSAGE_ROUTED2(DesktopNotificationHostMsg_Show,
@@ -53,10 +49,6 @@ IPC_MESSAGE_ROUTED2(DesktopNotificationHostMsg_Show,
 IPC_MESSAGE_ROUTED1(DesktopNotificationHostMsg_Cancel,
                     int /* notification_id */)
 
-IPC_MESSAGE_ROUTED2(DesktopNotificationHostMsg_RequestPermission,
-                    GURL /* origin */,
-                    int /* callback_context */)
-
 IPC_SYNC_MESSAGE_ROUTED1_1(DesktopNotificationHostMsg_CheckPermission,
                            GURL /* origin */,
                            int /* permission_result */)