ServiceWorker: add ServiceWorkerClients.claim() support (2/3).

content/common/service_worker/service_worker_messages.h

Index: content/common/service_worker/service_worker_messages.h
diff --git a/content/common/service_worker/service_worker_messages.h b/content/common/service_worker/service_worker_messages.h
index 32b20a0f5316ba2e9484236b01bae55266826b23..87d1c61b7bcf27abef0ae6e85e206c263e5b46b5 100644
--- a/content/common/service_worker/service_worker_messages.h
+++ b/content/common/service_worker/service_worker_messages.h
@@ -241,6 +241,10 @@ IPC_MESSAGE_ROUTED1(ServiceWorkerHostMsg_GetClientInfoError,
 IPC_MESSAGE_ROUTED1(ServiceWorkerHostMsg_SkipWaiting,
                     int /* request_id */)
 
+// Asks the browser to take over pages should belong to this worker.

[falken, 2015/01/26 08:45:13]

nit: comment is vague, the browser itself doesn't take over pages. Maybe "Asks
the browser to have this worker take control of pages that match its scope."

[xiang, 2015/01/28 05:38:35]

Done.

+IPC_MESSAGE_ROUTED1(ServiceWorkerHostMsg_ClaimClients,
+                    int /* request_id */)
+
 // CacheStorage operations in the browser.
 IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_CacheStorageHas,
                     int /* request_id */,
@@ -435,6 +439,12 @@ IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_CrossOriginMessageToWorker,
                      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 as a response of GetClientDocuments.
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_DidGetClientDocuments,