Stop Service Workers that execute JavaScript for too long.

content/common/service_worker/service_worker_messages.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Message definition file, included multiple times, hence no include guard.
 
 #include <string>
 #include <vector>
 
 #include "base/strings/string16.h"
@@ skipping 201 matching lines @@
                     int /* request_id */)
 IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_PushEventFinished,
                     int /* request_id */,
                     blink::WebServiceWorkerEventResult)
 IPC_MESSAGE_ROUTED1(ServiceWorkerHostMsg_GeofencingEventFinished,
                     int /* request_id */)
 IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_CrossOriginConnectEventFinished,
                     int /* request_id */,
                     bool /* accept_connection */)
 
+// Responds to a Ping from the browser.
+// Routed to the target ServiceWorkerVersion.
+IPC_MESSAGE_ROUTED0(ServiceWorkerHostMsg_Pong)
+
 // Asks the browser to retrieve documents controlled by the sender
 // ServiceWorker.
 IPC_MESSAGE_ROUTED1(ServiceWorkerHostMsg_GetClientDocuments,
                     int /* request_id */)
 
 // Sends a 'message' event to a client document (renderer->browser).
 IPC_MESSAGE_ROUTED3(ServiceWorkerHostMsg_PostMessageToDocument,
                     int /* client_id */,
                     base::string16 /* message */,
                     std::vector<int> /* sent_message_port_ids */)
@@ skipping 222 matching lines @@
                      std::vector<int> /* new_routing_ids */)
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_DidSkipWaiting,
                      int /* request_id */)
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_DidClaimClients,
                      int /* request_id */)
 IPC_MESSAGE_CONTROL3(ServiceWorkerMsg_ClaimClientsError,
                      int /* request_id */,
                      blink::WebServiceWorkerError::ErrorType /* code */,
                      base::string16 /* message */)
 
+// Sent via EmbeddedWorker to Ping the worker, expecting a Pong in response.
+IPC_MESSAGE_CONTROL0(ServiceWorkerMsg_Ping)
+
 // Sent via EmbeddedWorker as a response of GetClientDocuments.
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_DidGetClientDocuments,
                      int /* request_id */,
                      std::vector<content::ServiceWorkerClientInfo>)
 
 // Sent via EmbeddedWorker as a response of OpenWindow.
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_OpenWindowResponse,
                      int /* request_id */,
                      content::ServiceWorkerClientInfo /* client */)
 
@@ skipping 58 matching lines @@
                      blink::WebServiceWorkerCacheError)
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_CacheMatchAllError,
                      int /* request_id */,
                      blink::WebServiceWorkerCacheError)
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_CacheKeysError,
                      int /* request_id */,
                      blink::WebServiceWorkerCacheError)
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_CacheBatchError,
                      int /* request_id */,
                      blink::WebServiceWorkerCacheError)