Implement transfer navigation with mojo

content/browser/loader/resource_dispatcher_host_impl.h

Index: content/browser/loader/resource_dispatcher_host_impl.h
diff --git a/content/browser/loader/resource_dispatcher_host_impl.h b/content/browser/loader/resource_dispatcher_host_impl.h
index 655d83fe80a4bde0b8343217f0838652104077a8..f537e0c28a7f3be6c62039c0c82c64d53e839877 100644
--- a/content/browser/loader/resource_dispatcher_host_impl.h
+++ b/content/browser/loader/resource_dispatcher_host_impl.h
@@ -85,6 +85,9 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
   using SyncLoadResultCallback =
       base::Callback<void(const SyncLoadResult* result)>;
 
+  using TransferCallback =
+      base::Callback<void(mojom::URLLoaderAssociatedRequest,
+                          mojom::URLLoaderClientAssociatedPtr)>;
   // This constructor should be used if we want downloads to work correctly.
   // TODO(ananta)
   // Work on moving creation of download handlers out of
@@ -145,7 +148,7 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
   // resumed by a new process.
   void MarkAsTransferredNavigation(
       const GlobalRequestID& id,
-      const base::Closure& on_transfer_complete_callback);
+      const TransferCallback& on_transfer_complete_callback);
 
   // Cancels a request previously marked as being transferred, for use when a
   // navigation was cancelled.
@@ -554,7 +557,9 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
   // then CompleteTransfer method can be used to complete the transfer.
   void CompleteTransfer(int request_id,
                         const ResourceRequest& request_data,
-                        int route_id);
+                        int route_id,
+                        mojom::URLLoaderAssociatedRequest mojo_request,
+                        mojom::URLLoaderClientAssociatedPtr url_loader_client);
 
   void BeginRequest(
       int request_id,
@@ -608,7 +613,8 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
       AppCacheService* appcache_service,
       int child_id,
       int route_id,
-      std::unique_ptr<ResourceHandler> handler);
+      std::unique_ptr<ResourceHandler> handler,
+      TransferCallback transfer_callback);
 
   void OnCancelRequest(int request_id);
   void OnReleaseDownloadedFile(int request_id);