[ServiceWorker] Fetch event should return integrity value

third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp

Index: third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp
diff --git a/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp b/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp
index a8e136ffb19de88e30a5aaf3961b562967f84bb9..8b12bf303c36296bc2a1c184069fb002990d511e 100644
--- a/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp
+++ b/third_party/WebKit/Source/platform/loader/fetch/ResourceFetcher.cpp
@@ -812,6 +812,8 @@ Resource* ResourceFetcher::CreateResourceForLoading(
     resource->SetPreloadDiscoveryTime(params.PreloadDiscoveryTime());
   }
   resource->SetCacheIdentifier(cache_identifier);
+  resource->SetIntegrityMetadata(params.IntegrityMetadata());

[xiaofengzhang, 2017/06/19 03:17:05]

This is not needed, will delete later

+  resource->SetIntegrityValue(params.IntegrityValue());

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

Also, this won't be needed if you set the value of |integrity_| on
ResourceRequest at FetchParameter::SetIntegrityMetadata.

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

Done.

 
   if (ShouldResourceBeAddedToMemoryCache(params, resource))
     GetMemoryCache()->Add(resource);
@@ -990,7 +992,6 @@ ResourceFetcher::DetermineRevalidationPolicy(
     Resource* existing_resource,
     bool is_static_data) const {
   const ResourceRequest& request = fetch_params.GetResourceRequest();
-
   if (!existing_resource)
     return kLoad;
 
@@ -1379,6 +1380,7 @@ bool ResourceFetcher::StartLoad(Resource* resource) {
 
   ResourceRequest request(resource->GetResourceRequest());
   ResourceLoader* loader = nullptr;
+  request.SetFetchIntegrity(AtomicString(resource->IntegrityValue()));

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

You won't be needed if the request returned by resource->GetResourceRequest()
already has the integrity attribute.

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

Done.

 
   {
     // Forbids JavaScript/addClient/removeClient/revalidation until start()