ServiceWorker: Add initial implementation of ExtendableMessageEvent behind a flag

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 <stdint.h>
 
 #include <string>
 #include <vector>
@@ skipping 163 matching lines @@
 IPC_MESSAGE_CONTROL3(ServiceWorkerHostMsg_GetRegistrations,
                      int /* thread_id */,
                      int /* request_id */,
                      int /* provider_id */)
 
 IPC_MESSAGE_CONTROL3(ServiceWorkerHostMsg_GetRegistrationForReady,
                      int /* thread_id */,
                      int /* request_id */,
                      int /* provider_id */)
 
-// Sends a 'message' event to a service worker (renderer->browser).
+// Sends ExtendableMessageEvent to a service worker (renderer->browser).
 IPC_MESSAGE_CONTROL3(
     ServiceWorkerHostMsg_PostMessageToWorker,
     int /* handle_id */,
     base::string16 /* message */,
     std::vector<content::TransferredMessagePort> /* sent_message_ports */)
 
+// Sends MessageEvent to a service worker (renderer->browser).
+// TODO(nhiroki): Remove this after ExtendableMessageEvent is enabled by
+// default (crbug.com/543198).
+IPC_MESSAGE_CONTROL3(
+    ServiceWorkerHostMsg_DeprecatedPostMessageToWorker,
+    int /* handle_id */,
+    base::string16 /* message */,
+    std::vector<content::TransferredMessagePort> /* sent_message_ports */)
+
 // Informs the browser of a new ServiceWorkerProvider in the child process,
 // |provider_id| is unique within its child process. When this provider is
 // created for a document, |route_id| is the frame ID of it. When this provider
 // is created for a Shared Worker, |route_id| is the Shared Worker route ID.
 // When this provider is created for a Service Worker, |route_id| is
 // MSG_ROUTING_NONE. |provider_type| identifies whether this provider is for
 // Service Worker controllees (documents and Shared Workers) or for controllers
 // (Service Workers).
 IPC_MESSAGE_CONTROL3(ServiceWorkerHostMsg_ProviderCreated,
                      int /* provider_id */,
@@ skipping 33 matching lines @@
                      int64_t /* version_id */)
 
 // Informs the browser that event handling has finished.
 // Routed to the target ServiceWorkerVersion.
 IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_InstallEventFinished,
                     int /* request_id */,
                     blink::WebServiceWorkerEventResult)
 IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_ActivateEventFinished,
                     int /* request_id */,
                     blink::WebServiceWorkerEventResult)
+IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_ExtendableMessageEventFinished,
+                    int /* request_id */,
+                    blink::WebServiceWorkerEventResult)
 IPC_MESSAGE_ROUTED3(ServiceWorkerHostMsg_FetchEventFinished,
                     int /* request_id */,
                     content::ServiceWorkerFetchEventResult,
                     content::ServiceWorkerResponse)
 IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_NotificationClickEventFinished,
                     int /* request_id */,
                     blink::WebServiceWorkerEventResult)
 IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_PushEventFinished,
                     int /* request_id */,
                     blink::WebServiceWorkerEventResult)
 IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_GeofencingEventFinished,
                     int /* request_id */,
                     blink::WebServiceWorkerEventResult)
 
 // Responds to a Ping from the browser.
 // Routed to the target ServiceWorkerVersion.
 IPC_MESSAGE_ROUTED0(ServiceWorkerHostMsg_Pong)
 
 // Asks the browser to retrieve clients of the sender ServiceWorker.
 IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_GetClients,
                     int /* request_id */,
                     content::ServiceWorkerClientQueryOptions)
 
-// Sends a 'message' event to a client (renderer->browser).
+// Sends MessageEvent to a client (renderer->browser).
 IPC_MESSAGE_ROUTED3(
     ServiceWorkerHostMsg_PostMessageToClient,
     std::string /* uuid */,
     base::string16 /* message */,
     std::vector<content::TransferredMessagePort> /* sent_message_ports */)
 
 // ServiceWorker -> Browser message to request that the ServiceWorkerStorage
 // cache |data| associated with |url|.
 IPC_MESSAGE_ROUTED2(ServiceWorkerHostMsg_SetCachedMetadata,
                     GURL /* url */,
@@ skipping 151 matching lines @@
                      int /* registration_handle_id */)
 
 // Tells the child process to set the controller ServiceWorker for the given
 // provider.
 IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_SetControllerServiceWorker,
                      int /* thread_id */,
                      int /* provider_id */,
                      content::ServiceWorkerObjectInfo,
                      bool /* should_notify_controllerchange */)
 
-// Sends a 'message' event to a client document (browser->renderer).
+// Sends MessageEvent to a client document (browser->renderer).
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_MessageToDocument,
                      ServiceWorkerMsg_MessageToDocument_Params)
 
 // Sent via EmbeddedWorker to dispatch events.
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_InstallEvent,
                      int /* request_id */)
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_ActivateEvent,
                      int /* request_id */)
+IPC_MESSAGE_CONTROL4(
+    ServiceWorkerMsg_ExtendableMessageEvent,
+    int /* request_id */,
+    base::string16 /* message */,
+    std::vector<content::TransferredMessagePort> /* sent_message_ports */,
+    std::vector<int> /* new_routing_ids */)
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_FetchEvent,
                      int /* request_id */,
                      content::ServiceWorkerFetchRequest)
 IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_NotificationClickEvent,
                      int /* request_id */,
                      int64_t /* persistent_notification_id */,
                      content::PlatformNotificationData /* notification_data */,
                      int /* action_index */)
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_PushEvent,
                      int /* request_id */,
                      content::PushEventPayload /* data */)
 IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_GeofencingEvent,
                      int /* request_id */,
                      blink::WebGeofencingEventType /* event_type */,
                      std::string /* region_id */,
                      blink::WebCircularGeofencingRegion /* region */)
+
+// TODO(nhiroki): Remove this after ExtendableMessageEvent is enabled by
+// default (crbug.com/543198).
 IPC_MESSAGE_CONTROL3(
     ServiceWorkerMsg_MessageToWorker,
     base::string16 /* message */,
     std::vector<content::TransferredMessagePort> /* sent_message_ports */,
     std::vector<int> /* new_routing_ids */)
+
 IPC_MESSAGE_CONTROL4(
     ServiceWorkerMsg_CrossOriginMessageToWorker,
     content::NavigatorConnectClient /* client */,
     base::string16 /* message */,
     std::vector<content::TransferredMessagePort> /* sent_message_ports */,
     std::vector<int> /* new_routing_ids */)
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_DidSkipWaiting,
                      int /* request_id */)
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_DidClaimClients,
                      int /* request_id */)
@@ skipping 27 matching lines @@
 
 // Sent via EmbeddedWorker as a response of NavigateClient.
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_NavigateClientResponse,
                      int /* request_id */,
                      content::ServiceWorkerClientInfo /* client */)
 
 // Sent via EmbeddedWorker as an error response of NavigateClient.
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_NavigateClientError,
                      int /* request_id */,
                      GURL /* url */)