Implement ServiceWorkerFetchDispatcher::MaybeStartNavigationPreload().

content/browser/service_worker/service_worker_controllee_request_handler.h

Index: content/browser/service_worker/service_worker_controllee_request_handler.h
diff --git a/content/browser/service_worker/service_worker_controllee_request_handler.h b/content/browser/service_worker/service_worker_controllee_request_handler.h
index a6e48b24727ebafc74bf087e31303100007589e0..f5a433ff90cf652d25e067bfaac14f76a6961d28 100644
--- a/content/browser/service_worker/service_worker_controllee_request_handler.h
+++ b/content/browser/service_worker/service_worker_controllee_request_handler.h
@@ -7,6 +7,7 @@
 
 #include <stdint.h>
 
+#include "base/callback.h"
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ -28,6 +29,10 @@ class URLRequest;
 
 namespace content {
 
+namespace mojom {
+class URLLoaderFactory;
+}  // namespace mojom
+
 class ResourceRequestBodyImpl;
 class ServiceWorkerRegistration;
 class ServiceWorkerVersion;
@@ -38,6 +43,9 @@ class CONTENT_EXPORT ServiceWorkerControlleeRequestHandler
     : public ServiceWorkerRequestHandler,
       public ServiceWorkerURLRequestJob::Delegate {
  public:
+  using URLLoaderFactoryCallback =
+      base::Callback<bool(mojo::InterfaceRequest<mojom::URLLoaderFactory>)>;
+
   ServiceWorkerControlleeRequestHandler(
       base::WeakPtr<ServiceWorkerContextCore> context,
       base::WeakPtr<ServiceWorkerProviderHost> provider_host,
@@ -48,7 +56,8 @@ class CONTENT_EXPORT ServiceWorkerControlleeRequestHandler
       ResourceType resource_type,
       RequestContextType request_context_type,
       RequestContextFrameType frame_type,
-      scoped_refptr<ResourceRequestBodyImpl> body);
+      scoped_refptr<ResourceRequestBodyImpl> body,
+      const URLLoaderFactoryCallback& url_loader_factory_callback);
   ~ServiceWorkerControlleeRequestHandler() override;
 
   // Called via custom URLRequestJobFactory.
@@ -117,6 +126,8 @@ class CONTENT_EXPORT ServiceWorkerControlleeRequestHandler
   // next intercept opportunity, for main frame requests.
   bool use_network_;
 
+  const URLLoaderFactoryCallback url_loader_factory_callback_;
+
   base::WeakPtrFactory<ServiceWorkerControlleeRequestHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerControlleeRequestHandler);