Introduce url_list to the Response scheme of CacheStorage.

third_party/WebKit/Source/core/loader/DocumentThreadableLoader.cpp

Index: third_party/WebKit/Source/core/loader/DocumentThreadableLoader.cpp
diff --git a/third_party/WebKit/Source/core/loader/DocumentThreadableLoader.cpp b/third_party/WebKit/Source/core/loader/DocumentThreadableLoader.cpp
index 43e63d05d337c229e7214782ab96727b8cbef18f..cdc89261d030c3a55fd08b37951465162658910b 100644
--- a/third_party/WebKit/Source/core/loader/DocumentThreadableLoader.cpp
+++ b/third_party/WebKit/Source/core/loader/DocumentThreadableLoader.cpp
@@ -533,6 +533,7 @@ bool DocumentThreadableLoader::redirectReceived(
   // Allow same origin requests to continue after allowing clients to audit the
   // redirect.
   if (isAllowedRedirect(request.url())) {
+    m_client->didReceiveRedirectTo(request.url());
     if (m_client->isDocumentThreadableLoaderClient()) {
       return static_cast<DocumentThreadableLoaderClient*>(m_client)
           ->willFollowRedirect(request, redirectResponse);
@@ -586,6 +587,8 @@ bool DocumentThreadableLoader::redirectReceived(
     return false;
   }
 
+  m_client->didReceiveRedirectTo(request.url());
+
   // FIXME: consider combining this with CORS redirect handling performed by
   // CrossOriginAccessControl::handleRedirect().
   clearResource();