Implement ServiceWorkerFetchDispatcher::MaybeStartNavigationPreload().

content/browser/service_worker/service_worker_url_request_job.h

Index: content/browser/service_worker/service_worker_url_request_job.h
diff --git a/content/browser/service_worker/service_worker_url_request_job.h b/content/browser/service_worker/service_worker_url_request_job.h
index 278f250a2ad32685f7a7027e0bb94423486229a3..8129fa916f4df14477d330454a5c6f92fb0ff6dc 100644
--- a/content/browser/service_worker/service_worker_url_request_job.h
+++ b/content/browser/service_worker/service_worker_url_request_job.h
@@ -11,6 +11,7 @@
 #include <memory>
 #include <string>
 
+#include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
@@ -23,6 +24,7 @@
 #include "content/public/common/request_context_frame_type.h"
 #include "content/public/common/request_context_type.h"
 #include "content/public/common/resource_type.h"
+#include "mojo/public/cpp/bindings/interface_request.h"
 #include "net/http/http_byte_range.h"
 #include "net/url_request/url_request.h"
 #include "net/url_request/url_request_job.h"
@@ -33,15 +35,19 @@
 
 namespace net {
 class IOBuffer;
-}
+}  // namespace net
 
 namespace storage {
 class BlobDataHandle;
 class BlobStorageContext;
-}
+}  // namespace storage
 
 namespace content {
 
+namespace mojom {
+class URLLoaderFactory;
+}  // namespace mojom
+
 class ResourceContext;
 class ResourceRequestBodyImpl;
 class ServiceWorkerBlobReader;
@@ -54,6 +60,9 @@ class Stream;
 
 class CONTENT_EXPORT ServiceWorkerURLRequestJob : public net::URLRequestJob {
  public:
+  using URLLoaderFactoryCallback =
+      base::Callback<bool(mojo::InterfaceRequest<mojom::URLLoaderFactory>)>;
+
   class CONTENT_EXPORT Delegate {
    public:
     virtual ~Delegate() {}
@@ -95,6 +104,7 @@ class CONTENT_EXPORT ServiceWorkerURLRequestJob : public net::URLRequestJob {
       RequestContextFrameType frame_type,
       scoped_refptr<ResourceRequestBodyImpl> body,
       ServiceWorkerFetchType fetch_type,
+      const URLLoaderFactoryCallback& url_loader_factory_callback,
       Delegate* delegate);
 
   ~ServiceWorkerURLRequestJob() override;
@@ -284,6 +294,7 @@ class CONTENT_EXPORT ServiceWorkerURLRequestJob : public net::URLRequestJob {
   bool worker_already_activated_ = false;
   EmbeddedWorkerStatus initial_worker_status_ = EmbeddedWorkerStatus::STOPPED;
 
+  const URLLoaderFactoryCallback url_loader_factory_callback_;
   base::WeakPtrFactory<ServiceWorkerURLRequestJob> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceWorkerURLRequestJob);