ServiceWorker: Add initial implementation of ExtendableMessageEvent behind a flag

content/browser/service_worker/service_worker_dispatcher_host.cc

 // Copyright 2013 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.
 
 #include "content/browser/service_worker/service_worker_dispatcher_host.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/macros.h"
@@ skipping 165 matching lines @@
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_GetRegistrations,
                         OnGetRegistrations)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_GetRegistrationForReady,
                         OnGetRegistrationForReady)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_ProviderCreated,
                         OnProviderCreated)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_ProviderDestroyed,
                         OnProviderDestroyed)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_SetVersionId,
                         OnSetHostedVersionId)
+    IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_DeprecatedPostMessageToWorker,
+                        OnDeprecatedPostMessageToWorker)
     IPC_MESSAGE_HANDLER(ServiceWorkerHostMsg_PostMessageToWorker,
                         OnPostMessageToWorker)
     IPC_MESSAGE_HANDLER(EmbeddedWorkerHostMsg_WorkerReadyForInspection,
                         OnWorkerReadyForInspection)
     IPC_MESSAGE_HANDLER(EmbeddedWorkerHostMsg_WorkerScriptLoaded,
                         OnWorkerScriptLoaded)
     IPC_MESSAGE_HANDLER(EmbeddedWorkerHostMsg_WorkerThreadStarted,
                         OnWorkerThreadStarted)
     IPC_MESSAGE_HANDLER(EmbeddedWorkerHostMsg_WorkerScriptLoadFailed,
                         OnWorkerScriptLoadFailed)
@@ skipping 513 matching lines @@
                "ServiceWorkerDispatcherHost::OnPostMessageToWorker");
   if (!GetContext())
     return;
 
   ServiceWorkerHandle* handle = handles_.Lookup(handle_id);
   if (!handle) {
     bad_message::ReceivedBadMessage(this, bad_message::SWDH_POST_MESSAGE);
     return;
   }
 
+  handle->version()->DispatchExtendableMessageEvent(
+      message, sent_message_ports,
+      base::Bind(&ServiceWorkerUtils::NoOpStatusCallback));
+}
+
+void ServiceWorkerDispatcherHost::OnDeprecatedPostMessageToWorker(
+    int handle_id,
+    const base::string16& message,
+    const std::vector<TransferredMessagePort>& sent_message_ports) {
+  TRACE_EVENT0("ServiceWorker",
+               "ServiceWorkerDispatcherHost::OnDeprecatedPostMessageToWorker");
+  if (!GetContext())
+    return;
+
+  ServiceWorkerHandle* handle = handles_.Lookup(handle_id);
+  if (!handle) {
+    bad_message::ReceivedBadMessage(this, bad_message::SWDH_POST_MESSAGE);
+    return;
+  }
+
   handle->version()->DispatchMessageEvent(
       message, sent_message_ports,
       base::Bind(&ServiceWorkerUtils::NoOpStatusCallback));
 }
 
 void ServiceWorkerDispatcherHost::OnProviderCreated(
     int provider_id,
     int route_id,
     ServiceWorkerProviderType provider_type) {
   // TODO(pkasting): Remove ScopedTracker below once crbug.com/477117 is fixed.
@@ skipping 600 matching lines @@
   if (!handle) {
     bad_message::ReceivedBadMessage(this,
                                     bad_message::SWDH_TERMINATE_BAD_HANDLE);
     return;
   }
   handle->version()->StopWorker(
       base::Bind(&ServiceWorkerUtils::NoOpStatusCallback));
 }
 
 }  // namespace content