Introduce url_list to the Response scheme of CacheStorage.

third_party/WebKit/Source/modules/serviceworkers/FetchEvent.cpp

Index: third_party/WebKit/Source/modules/serviceworkers/FetchEvent.cpp
diff --git a/third_party/WebKit/Source/modules/serviceworkers/FetchEvent.cpp b/third_party/WebKit/Source/modules/serviceworkers/FetchEvent.cpp
index 6e77abc4061cd7a92b73a8de21d1f0dafc12f1ab..9db58fc354b1e0eaabfa1dd0c5aa01528c232680 100644
--- a/third_party/WebKit/Source/modules/serviceworkers/FetchEvent.cpp
+++ b/third_party/WebKit/Source/modules/serviceworkers/FetchEvent.cpp
@@ -121,7 +121,12 @@ void FetchEvent::onNavigationPreloadResponse(
           m_scriptState.get(), new BytesConsumerForDataConsumerHandle(
                                    m_scriptState->getExecutionContext(),
                                    std::move(dataConsumeHandle))));
-  responseData->setURL(response->url());
+  const blink::WebVector<blink::WebURL>& webURLList = response->urlList();
+  // Navigation preload doesn't support redirect.
+  DCHECK_EQ(1u, webURLList.size());
+  Vector<blink::KURL> urlList(1);

[falken, 2016/11/30 14:57:38]

Sorry for the repeat comment aren't we in blink namespace here? Why do we need
blink:: everywhere?

[horo, 2016/12/01 07:42:14]

Done.

+  urlList[0] = webURLList[0];
+  responseData->setURLList(urlList);
   responseData->setStatus(response->status());
   responseData->setStatusMessage(response->statusText());
   responseData->setResponseTime(response->responseTime());