Implement ServiceWorkerFetchDispatcher::MaybeStartNavigationPreload().

content/browser/service_worker/service_worker_dispatcher_host.h

 // 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.
 
 #ifndef CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
 #define CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <vector>
 
+#include "base/callback.h"
 #include "base/id_map.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/strings/string16.h"
 #include "content/browser/service_worker/service_worker_registration_status.h"
 #include "content/common/service_worker/service_worker.mojom.h"
 #include "content/common/service_worker/service_worker_types.h"
 #include "content/public/browser/browser_message_filter.h"
 #include "mojo/public/cpp/bindings/associated_binding_set.h"
+#include "mojo/public/cpp/bindings/interface_request.h"
 
 class GURL;
 struct EmbeddedWorkerHostMsg_ReportConsoleMessage_Params;
 
 namespace url {
 class Origin;
-}
+}  // namespace url
 
 namespace content {
 
+namespace mojom {
+class URLLoaderFactory;
+}  // namespace mojom
+
 class MessagePortMessageFilter;
 class ResourceContext;
 class ServiceWorkerContextCore;
 class ServiceWorkerContextWrapper;
 class ServiceWorkerHandle;
 class ServiceWorkerProviderHost;
 class ServiceWorkerRegistration;
 class ServiceWorkerRegistrationHandle;
 class ServiceWorkerVersion;
 struct ServiceWorkerObjectInfo;
 struct ServiceWorkerRegistrationInfo;
 struct ServiceWorkerRegistrationObjectInfo;
 struct ServiceWorkerVersionAttributes;
 
 class CONTENT_EXPORT ServiceWorkerDispatcherHost
     : public mojom::ServiceWorkerDispatcherHost,
       public BrowserMessageFilter {
  public:
+  using URLLoaderFactoryCallback =
+      base::Callback<bool(mojo::InterfaceRequest<mojom::URLLoaderFactory>)>;
+
   ServiceWorkerDispatcherHost(
       int render_process_id,
       MessagePortMessageFilter* message_port_message_filter,
-      ResourceContext* resource_context);
+      ResourceContext* resource_context,
+      const URLLoaderFactoryCallback& url_loader_factory_callback);
 
   void Init(ServiceWorkerContextWrapper* context_wrapper);
 
   // BrowserMessageFilter implementation
   void OnFilterAdded(IPC::Channel* channel) override;
   void OnFilterRemoved() override;
   void OnDestruct() const override;
   bool OnMessageReceived(const IPC::Message& message) override;
 
   // IPC::Sender implementation
@@ skipping 14 matching lines @@
   // Returns the existing registration handle whose reference count is
   // incremented or a newly created one if it doesn't exist.
   ServiceWorkerRegistrationHandle* GetOrCreateRegistrationHandle(
       base::WeakPtr<ServiceWorkerProviderHost> provider_host,
       ServiceWorkerRegistration* registration);
 
   MessagePortMessageFilter* message_port_message_filter() {
     return message_port_message_filter_;
   }
 
+  URLLoaderFactoryCallback url_loader_factory_callback() const {
+    return url_loader_factory_callback_;
+  }
+
  protected:
   ~ServiceWorkerDispatcherHost() override;
 
  private:
   friend class BrowserThread;
   friend class base::DeleteHelper<ServiceWorkerDispatcherHost>;
   friend class ServiceWorkerDispatcherHostTest;
   friend class TestingServiceWorkerDispatcherHost;
 
   using StatusCallback = base::Callback<void(ServiceWorkerStatusCode status)>;
@@ skipping 137 matching lines @@
       int thread_id,
       int request_id,
       base::WeakPtr<ServiceWorkerProviderHost> provider_host,
       ServiceWorkerRegistration* registration);
 
   ServiceWorkerContextCore* GetContext();
 
   const int render_process_id_;
   MessagePortMessageFilter* const message_port_message_filter_;
   ResourceContext* resource_context_;
+  const URLLoaderFactoryCallback url_loader_factory_callback_;
   scoped_refptr<ServiceWorkerContextWrapper> context_wrapper_;
 
   IDMap<ServiceWorkerHandle, IDMapOwnPointer> handles_;
 
   using RegistrationHandleMap =
       IDMap<ServiceWorkerRegistrationHandle, IDMapOwnPointer>;
   RegistrationHandleMap registration_handles_;
 
   bool channel_ready_;  // True after BrowserMessageFilter::sender_ != NULL.
   std::vector<std::unique_ptr<IPC::Message>> pending_messages_;
 
   mojo::AssociatedBindingSet<mojom::ServiceWorkerDispatcherHost> bindings_;
 
   base::WeakPtrFactory<ServiceWorkerDispatcherHost> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerDispatcherHost);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SERVICE_WORKER_SERVICE_WORKER_DISPATCHER_HOST_H_