Support dispatching ServiceWorker FetchEvent and receiving response

content/common/service_worker/service_worker_types.h

Index: content/common/service_worker/service_worker_types.h
diff --git a/content/common/service_worker/service_worker_types.h b/content/common/service_worker/service_worker_types.h
index 10444de002ec58e0ee9ff1136c6aeb1343c6c309..6c7bb6e063a7038732edd5fa4caab4791894c2de 100644
--- a/content/common/service_worker/service_worker_types.h
+++ b/content/common/service_worker/service_worker_types.h
@@ -10,6 +10,7 @@
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
+#include "third_party/WebKit/public/web/WebServiceWorkerResponse.h"
 #include "url/gurl.h"
 
 // This file is to have common definitions that are to be shared by
@@ -38,15 +39,19 @@ struct CONTENT_EXPORT ServiceWorkerFetchRequest {
   std::map<std::string, std::string> headers;
 };
 
-// The response sent from the child process to the browser.
-struct CONTENT_EXPORT ServiceWorkerFetchResponse {
-  ServiceWorkerFetchResponse();
-  ServiceWorkerFetchResponse(
-      int status_code,
-      const std::string& status_text,
-      const std::string& method,
-      const std::map<std::string, std::string>& headers);
-  ~ServiceWorkerFetchResponse();
+// Indicates how the service worker handled a fetch event.
+enum ServiceWorkerFetchEventResult {
+  // Browser should fallback to native fetch.
+  FALLBACK,
+  // Service worker provided a ServiceWorkerResponse.
+  RESPONSE

[kinuko, 2014/03/04 06:39:17]

We're in a relatively big namespace, content, it'd be nicer to name these enums
with prefix.  E.g.
 SERVICE_WORKER_FETCH_RESULT_FALLBACK,
 SERVICE_WORKER_FETCH_RESULT_USE_RESPONSE

[falken, 2014/03/05 03:35:41]

Done.

+};
+
+// Represents a response to a fetch.
+struct CONTENT_EXPORT ServiceWorkerResponse {
+  ServiceWorkerResponse();
+  ServiceWorkerResponse(const blink::WebServiceWorkerResponse& response);
+  ~ServiceWorkerResponse();
 
   int status_code;
   std::string status_text;