Evict "fallback" RawResource from MemoryCache

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

 /*
  * Copyright (C) 2011 Google Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 165 matching lines @@
 
 void RawResource::WillNotFollowRedirect() {
   ResourceClientWalker<RawResourceClient> w(Clients());
   while (RawResourceClient* c = w.Next())
     c->RedirectBlocked();
 }
 
 void RawResource::ResponseReceived(
     const ResourceResponse& response,
     std::unique_ptr<WebDataConsumerHandle> handle) {
+  if (response.WasFallbackRequiredByServiceWorker()) {
+    // The ServiceWorker asked us to re-fetch the request. This resource must
+    // not be reused.
+    // Note: This logic is needed here because DocumentThreadableLoader handles
+    // CORS independently from ResourceLoader. Fix it.
+    GetMemoryCache()->Remove(this);
+  }
+
   bool is_successful_revalidation =
       IsCacheValidator() && response.HttpStatusCode() == 304;
   Resource::ResponseReceived(response, nullptr);
 
   ResourceClientWalker<RawResourceClient> w(Clients());
   DCHECK(Clients().size() <= 1 || !handle);
   while (RawResourceClient* c = w.Next()) {
     // |handle| is cleared when passed, but it's not a problem because |handle|
     // is null when there are two or more clients, as asserted.
     c->ResponseReceived(this, this->GetResponse(), std::move(handle));
@@ skipping 162 matching lines @@
   SECURITY_CHECK(state_ != kNotAddedAsClient);
   SECURITY_CHECK(state_ != kNotifyFinished);
   SECURITY_CHECK(resource->ErrorOccurred() ||
                  (state_ == kResponseReceived ||
                   state_ == kSetSerializedCachedMetadata ||
                   state_ == kDataReceived || state_ == kDataDownloaded));
   state_ = kNotifyFinished;
 }
 
 }  // namespace blink