service worker: Plumb NavigationPreloadManager.enable/disable to browser-side

content/child/service_worker/service_worker_dispatcher.h

Index: content/child/service_worker/service_worker_dispatcher.h
diff --git a/content/child/service_worker/service_worker_dispatcher.h b/content/child/service_worker/service_worker_dispatcher.h
index 4793971805569f564b5614fc41af600d8283793a..ccafedf9ea5d1297ca9709ef20b9377f31ecfc3c 100644
--- a/content/child/service_worker/service_worker_dispatcher.h
+++ b/content/child/service_worker/service_worker_dispatcher.h
@@ -67,6 +67,8 @@ class CONTENT_EXPORT ServiceWorkerDispatcher : public WorkerThread::Observer {
   typedef blink::WebServiceWorkerProvider::
       WebServiceWorkerGetRegistrationForReadyCallbacks
           WebServiceWorkerGetRegistrationForReadyCallbacks;
+  using WebEnableNavigationPreloadCallbacks =
+      blink::WebServiceWorkerRegistration::WebEnableNavigationPreloadCallbacks;
 
   ServiceWorkerDispatcher(
       ThreadSafeSender* thread_safe_sender,
@@ -103,6 +105,13 @@ class CONTENT_EXPORT ServiceWorkerDispatcher : public WorkerThread::Observer {
       int provider_id,
       WebServiceWorkerGetRegistrationForReadyCallbacks* callbacks);
 
+  // Corresponds to NavigationPreloadManager.enable/disable.
+  void EnableNavigationPreload(
+      int provider_id,
+      int64_t registration_id,
+      bool enable,
+      std::unique_ptr<WebEnableNavigationPreloadCallbacks> callbacks);
+
   // Called when a new provider context for a document is created. Usually
   // this happens when a new document is being loaded, and is called much
   // earlier than AddScriptClient.
@@ -160,6 +169,8 @@ class CONTENT_EXPORT ServiceWorkerDispatcher : public WorkerThread::Observer {
       IDMapOwnPointer> GetRegistrationsCallbackMap;
   typedef IDMap<WebServiceWorkerGetRegistrationForReadyCallbacks,
       IDMapOwnPointer> GetRegistrationForReadyCallbackMap;
+  using EnableNavigationPreloadCallbackMap =
+      IDMap<WebEnableNavigationPreloadCallbacks, IDMapOwnPointer>;
 
   typedef std::map<int, blink::WebServiceWorkerProviderClient*>
       ProviderClientMap;
@@ -204,6 +215,7 @@ class CONTENT_EXPORT ServiceWorkerDispatcher : public WorkerThread::Observer {
       int request_id,
       const ServiceWorkerRegistrationObjectInfo& info,
       const ServiceWorkerVersionAttributes& attrs);
+  void OnDidEnableNavigationPreload(int thread_id, int request_id);
   void OnRegistrationError(int thread_id,
                            int request_id,
                            blink::WebServiceWorkerError::ErrorType error_type,
@@ -226,6 +238,11 @@ class CONTENT_EXPORT ServiceWorkerDispatcher : public WorkerThread::Observer {
       int request_id,
       blink::WebServiceWorkerError::ErrorType error_type,
       const base::string16& message);
+  void OnEnableNavigationPreloadError(
+      int thread_id,
+      int request_id,
+      blink::WebServiceWorkerError::ErrorType error_type,
+      const std::string& message);
   void OnServiceWorkerStateChanged(int thread_id,
                                    int handle_id,
                                    blink::WebServiceWorkerState state);
@@ -265,6 +282,7 @@ class CONTENT_EXPORT ServiceWorkerDispatcher : public WorkerThread::Observer {
   GetRegistrationCallbackMap pending_get_registration_callbacks_;
   GetRegistrationsCallbackMap pending_get_registrations_callbacks_;
   GetRegistrationForReadyCallbackMap get_for_ready_callbacks_;
+  EnableNavigationPreloadCallbackMap enable_navigation_preload_callbacks_;
 
   ProviderClientMap provider_clients_;
   ProviderContextMap provider_contexts_;