ServiceWorker: Use mojo's data pipe for respondWith(stream)

content/browser/service_worker/service_worker_fetch_dispatcher.h

Index: content/browser/service_worker/service_worker_fetch_dispatcher.h
diff --git a/content/browser/service_worker/service_worker_fetch_dispatcher.h b/content/browser/service_worker/service_worker_fetch_dispatcher.h
index 192e17beb009526e1b3f757bec186f576da1c659..fd35e05deaf601e3c261f5726b2ec9792f055e32 100644
--- a/content/browser/service_worker/service_worker_fetch_dispatcher.h
+++ b/content/browser/service_worker/service_worker_fetch_dispatcher.h
@@ -21,6 +21,7 @@
 #include "content/common/url_loader.mojom.h"
 #include "content/common/url_loader_factory.mojom.h"
 #include "content/public/common/resource_type.h"
+#include "mojo/public/cpp/system/data_pipe.h"
 #include "net/log/net_log_with_source.h"
 
 namespace net {
@@ -38,6 +39,7 @@ class CONTENT_EXPORT ServiceWorkerFetchDispatcher {
       base::Callback<void(ServiceWorkerStatusCode,
                           ServiceWorkerFetchEventResult,
                           const ServiceWorkerResponse&,
+                          blink::mojom::ServiceWorkerStreamHandlePtr,
                           const scoped_refptr<ServiceWorkerVersion>&)>;
 
   ServiceWorkerFetchDispatcher(
@@ -75,10 +77,12 @@ class CONTENT_EXPORT ServiceWorkerFetchDispatcher {
   void DidFail(ServiceWorkerStatusCode status);
   void DidFinish(int request_id,
                  ServiceWorkerFetchEventResult fetch_result,
-                 const ServiceWorkerResponse& response);
+                 const ServiceWorkerResponse& response,
+                 blink::mojom::ServiceWorkerStreamHandlePtr stream_handle);

[falken, 2017/04/18 05:05:33]

body_as_stream?

[shimazu, 2017/04/19 05:49:46]

Done.

   void Complete(ServiceWorkerStatusCode status,
                 ServiceWorkerFetchEventResult fetch_result,
-                const ServiceWorkerResponse& response);
+                const ServiceWorkerResponse& response,
+                blink::mojom::ServiceWorkerStreamHandlePtr stream_handle);

[falken, 2017/04/18 05:05:33]

ditto

[shimazu, 2017/04/19 05:49:46]

Done.

 
   static void OnFetchEventFinished(
       ServiceWorkerVersion* version,