[ServiceWorker] Fetch event should return integrity value

content/child/web_url_request_util.cc

Index: content/child/web_url_request_util.cc
diff --git a/content/child/web_url_request_util.cc b/content/child/web_url_request_util.cc
index 47fcfe6fb31a599a937d90aa59da22641deb2ad4..6afd20649fc2876293be1b3ea7c75f3170607f4e 100644
--- a/content/child/web_url_request_util.cc
+++ b/content/child/web_url_request_util.cc
@@ -382,6 +382,11 @@ FetchRedirectMode GetFetchRedirectModeForWebURLRequest(
   return static_cast<FetchRedirectMode>(request.GetFetchRedirectMode());
 }
 
+std::string GetFetchIntegrityForWebURLRequest(
+    const blink::WebURLRequest& request) {
+  return request.GetFetchIntegrity().Latin1();

[shimazu, 2017/06/26 06:13:32]

Utf8 seems better basically even though it's limited to base64.

[xiaofengzhang, 2017/06/29 02:26:06]

Done.

+}
+
 STATIC_ASSERT_ENUM(REQUEST_CONTEXT_FRAME_TYPE_AUXILIARY,
                    WebURLRequest::kFrameTypeAuxiliary);
 STATIC_ASSERT_ENUM(REQUEST_CONTEXT_FRAME_TYPE_NESTED,