Add link preload as=document support

third_party/WebKit/Source/core/fetch/ResourceFetcherTest.cpp

 /*
  * Copyright (c) 2013, 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 56 matching lines @@
 public:
     static ResourceFetcherTestMockFetchContext* create()
     {
         return new ResourceFetcherTestMockFetchContext;
     }
 
     virtual ~ResourceFetcherTestMockFetchContext() { }
 
     bool allowImage(bool imagesEnabled, const KURL&) const override { return true; }
     bool canRequest(Resource::Type, const ResourceRequest&, const KURL&, const ResourceLoaderOptions&, bool forPreload, FetchRequest::OriginRestriction) const override { return true; }
-    bool shouldLoadNewResource(Resource::Type) const override { return true; }
+    bool shouldLoadNewResource(Resource::Type, const WebURLRequest::FrameType) const override { return true; }
     WebTaskRunner* loadingTaskRunner() const override { return m_runner.get(); }
 
     void setCachePolicy(CachePolicy policy) { m_policy = policy; }
     CachePolicy getCachePolicy() const override { return m_policy; }
     void setLoadComplete(bool complete) { m_complete = complete; }
     bool isLoadComplete() const override { return m_complete; }
 
     void addResourceTiming(const ResourceTimingInfo& resourceTimingInfo) override { m_transferSize = resourceTimingInfo.transferSize(); }
     long long getTransferSize() const { return m_transferSize; }
 
@@ skipping 422 matching lines @@
     FetchRequest request(url, FetchInitiatorInfo());
     request.makeSynchronous();
     Resource* resource = fetcher->requestResource(request, TestResourceFactory());
     EXPECT_TRUE(resource->isLoaded());
     EXPECT_EQ(ResourceLoadPriorityHighest, resource->resourceRequest().priority());
 
     memoryCache()->remove(resource);
 }
 
 } // namespace blink