ServiceWorker: Enable UseCounter for ServiceWorkerGlobalScope

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 462 matching lines @@
                      int /* changed_mask */,
                      content::ServiceWorkerVersionAttributes)
 
 // Informs the child process that new ServiceWorker enters the installation
 // phase.
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_UpdateFound,
                      int /* thread_id */,
                      int /* registration_handle_id */)
 
 // Tells the child process to set the controller ServiceWorker for the given
-// provider.
-IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_SetControllerServiceWorker,
+// provider. |used_features| is the set of features that the worker has used.
+// The values must be from blink::UseCounter::Feature enum.
+IPC_MESSAGE_CONTROL5(ServiceWorkerMsg_SetControllerServiceWorker,
                      int /* thread_id */,
                      int /* provider_id */,
                      content::ServiceWorkerObjectInfo,
-                     bool /* should_notify_controllerchange */)
+                     bool /* should_notify_controllerchange */,
+                     std::set<uint32_t> /* used_features */)
 
 IPC_MESSAGE_CONTROL2(ServiceWorkerMsg_DidEnableNavigationPreload,
                      int /* thread_id */,
                      int /* request_id */)
 IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_EnableNavigationPreloadError,
                      int /* thread_id */,
                      int /* request_id */,
                      blink::WebServiceWorkerError::ErrorType /* code */,
                      std::string /* message */)
 IPC_MESSAGE_CONTROL3(ServiceWorkerMsg_DidGetNavigationPreloadState,
@@ skipping 11 matching lines @@
 IPC_MESSAGE_CONTROL4(ServiceWorkerMsg_SetNavigationPreloadHeaderError,
                      int /* thread_id */,
                      int /* request_id */,
                      blink::WebServiceWorkerError::ErrorType /* code */,
                      std::string /* message */)
 
 // Sends MessageEvent to a client document (browser->renderer).
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_MessageToDocument,
                      ServiceWorkerMsg_MessageToDocument_Params)
 
+// Notifies a client that its controller used a feature, for UseCounter
+// purposes (browser->renderer). |feature| must be one of the values from
+// blink::UseCounter::Feature enum.
+IPC_MESSAGE_CONTROL3(ServiceWorkerMsg_CountFeature,
+                     int /* thread_id */,
+                     int /* provider_id */,
+                     uint32_t /* feature */)
+
 // Sent via EmbeddedWorker to dispatch events.
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_InstallEvent,
                      int /* request_id */)
 IPC_MESSAGE_CONTROL1(ServiceWorkerMsg_ActivateEvent,
                      int /* request_id */)
 IPC_MESSAGE_CONTROL5(ServiceWorkerMsg_NotificationClickEvent,
                      int /* request_id */,
                      std::string /* notification_id */,
                      content::PlatformNotificationData /* notification_data */,
                      int /* action_index */,
@@ skipping 42 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 */)