Loading: move core/fetch to platform/loader/fetch

third_party/WebKit/Source/platform/loader/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 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "core/fetch/ResourceFetcher.h"
+#include "platform/loader/fetch/ResourceFetcher.h"
 
-#include "core/fetch/FetchInitiatorInfo.h"
-#include "core/fetch/FetchInitiatorTypeNames.h"
-#include "core/fetch/FetchRequest.h"
-#include "core/fetch/MemoryCache.h"
-#include "core/fetch/MockFetchContext.h"
-#include "core/fetch/MockResource.h"
-#include "core/fetch/MockResourceClient.h"
-#include "core/fetch/RawResource.h"
-#include "core/fetch/ResourceLoader.h"
 #include "platform/WebTaskRunner.h"
 #include "platform/exported/WrappedResourceResponse.h"
 #include "platform/heap/Handle.h"
 #include "platform/heap/HeapAllocator.h"
 #include "platform/heap/Member.h"
+#include "platform/loader/fetch/FetchInitiatorInfo.h"
+#include "platform/loader/fetch/FetchInitiatorTypeNames.h"
+#include "platform/loader/fetch/FetchRequest.h"
+#include "platform/loader/fetch/MemoryCache.h"
+#include "platform/loader/fetch/MockFetchContext.h"
+#include "platform/loader/fetch/MockResource.h"
+#include "platform/loader/fetch/MockResourceClient.h"
+#include "platform/loader/fetch/RawResource.h"
+#include "platform/loader/fetch/ResourceLoader.h"
+#include "platform/network/ResourceError.h"
 #include "platform/network/ResourceRequest.h"
 #include "platform/network/ResourceTimingInfo.h"
 #include "platform/scheduler/test/fake_web_task_runner.h"
+#include "platform/testing/TestingPlatformSupport.h"
 #include "platform/testing/URLTestHelpers.h"
 #include "platform/testing/weburl_loader_mock.h"
 #include "platform/weborigin/KURL.h"
 #include "public/platform/Platform.h"
+#include "public/platform/WebURLLoader.h"
 #include "public/platform/WebURLLoaderMockFactory.h"
 #include "public/platform/WebURLResponse.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "wtf/Allocator.h"
 #include "wtf/PtrUtil.h"
 #include "wtf/Vector.h"
 #include <memory>
 
 namespace blink {
 
 namespace {
 constexpr char kTestResourceFilename[] = "white-1x1.png";
 constexpr char kTestResourceMimeType[] = "image/png";
 constexpr int kTestResourceSize = 103;  // size of web/tests/data/white-1x1.png
 }
 
-class ResourceFetcherTest : public ::testing::Test {};
+class MockDefaultWebURLLoader : public WebURLLoader {
+ public:
+  ~MockDefaultWebURLLoader() override {}
+  void loadSynchronously(const WebURLRequest&,
+                         WebURLResponse&,
+                         WebURLError&,
+                         WebData&,
+                         int64_t& encodedDataLength,
+                         int64_t& encodedBodyLength) override {}
+  void loadAsynchronously(const WebURLRequest&, WebURLLoaderClient*) override {}
+  void cancel() override {}
+  void setDefersLoading(bool) override {}
+  void didChangePriority(WebURLRequest::Priority newPriority) override {}
+  void didChangePriority(WebURLRequest::Priority newPriority,
+                         int intraPriorityValue) override {}
+  void setLoadingTaskRunner(base::SingleThreadTaskRunner*) override {}
+};
+
+class FetchTestingPlatform : public TestingPlatformSupportWithMockScheduler {
+ public:
+  WebURLError cancelledError(const WebURL& url) const override {
+    return ResourceError::ResourceError(errorDomainBlinkInternal, -1,
+                                        url.string(),
+                                        "cancelledError for testing");
+  }
+  WebURLLoaderMockFactory* getURLLoaderMockFactory() override {
+    if (!m_urlLoaderMockFactory.get())
+      m_urlLoaderMockFactory = WebURLLoaderMockFactory::create();
+    return m_urlLoaderMockFactory.get();
+  }
+  WebURLLoader* createURLLoader() override {
+    return getURLLoaderMockFactory()->createURLLoader(
+        new MockDefaultWebURLLoader);
+  }
+
+ private:
+  std::unique_ptr<WebURLLoaderMockFactory> m_urlLoaderMockFactory;
+};
+
+using ResourceFetcherTest = ::testing::Test;
 
 TEST_F(ResourceFetcherTest, StartLoadAfterFrameDetach) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   KURL secureURL(ParsedURLString, "https://secureorigin.test/image.png");
   // Try to request a url. The request should fail, and a resource in an error
   // state should be returned, and no resource should be present in the cache.
   ResourceFetcher* fetcher = ResourceFetcher::create(nullptr);
   ResourceRequest resourceRequest(secureURL);
   resourceRequest.setRequestContext(WebURLRequest::RequestContextInternal);
   FetchRequest fetchRequest =
       FetchRequest(resourceRequest, FetchInitiatorInfo());
   Resource* resource = RawResource::fetch(fetchRequest, fetcher);
   ASSERT_TRUE(resource);
   EXPECT_TRUE(resource->errorOccurred());
   EXPECT_TRUE(resource->resourceError().isAccessCheck());
   EXPECT_FALSE(memoryCache()->resourceForURL(secureURL));
 
   // Start by calling startLoad() directly, rather than via requestResource().
   // This shouldn't crash.
   fetcher->startLoad(RawResource::create(secureURL, Resource::Raw));
 }
 
 TEST_F(ResourceFetcherTest, UseExistingResource) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   ResourceFetcher* fetcher = ResourceFetcher::create(
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource));
 
   KURL url(ParsedURLString, "http://127.0.0.1:8000/foo.html");
   ResourceResponse response;
   response.setURL(url);
   response.setHTTPStatusCode(200);
   response.setHTTPHeaderField(HTTPNames::Cache_Control, "max-age=3600");
   URLTestHelpers::registerMockedURLLoadWithCustomResponse(
       url, kTestResourceFilename, WebString::fromUTF8(""),
       WrappedResourceResponse(response));
 
   FetchRequest fetchRequest = FetchRequest(url, FetchInitiatorInfo());
   Resource* resource = MockResource::fetch(fetchRequest, fetcher);
   ASSERT_TRUE(resource);
   Platform::current()->getURLLoaderMockFactory()->serveAsynchronousRequests();
   Platform::current()->getURLLoaderMockFactory()->unregisterURL(url);
   EXPECT_TRUE(resource->isLoaded());
   EXPECT_TRUE(memoryCache()->contains(resource));
 
   Resource* newResource = MockResource::fetch(fetchRequest, fetcher);
   EXPECT_EQ(resource, newResource);
   memoryCache()->remove(resource);
 }
 
 TEST_F(ResourceFetcherTest, Vary) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   KURL url(ParsedURLString, "http://127.0.0.1:8000/foo.html");
   Resource* resource = RawResource::create(url, Resource::Raw);
   memoryCache()->add(resource);
   ResourceResponse response;
   response.setURL(url);
   response.setHTTPStatusCode(200);
   response.setHTTPHeaderField(HTTPNames::Cache_Control, "max-age=3600");
   response.setHTTPHeaderField(HTTPNames::Vary, "*");
   resource->responseReceived(response, nullptr);
   resource->finish();
@@ skipping 10 matching lines @@
   Resource* newResource = RawResource::fetch(fetchRequest, fetcher);
   EXPECT_NE(resource, newResource);
   newResource->loader()->cancel();
   memoryCache()->remove(newResource);
   Platform::current()->getURLLoaderMockFactory()->unregisterURL(url);
 
   memoryCache()->remove(resource);
 }
 
 TEST_F(ResourceFetcherTest, NavigationTimingInfo) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   KURL url(ParsedURLString, "http://127.0.0.1:8000/foo.html");
   ResourceResponse response;
   response.setURL(url);
   response.setHTTPStatusCode(200);
 
   ResourceFetcher* fetcher = ResourceFetcher::create(
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource));
   ResourceRequest resourceRequest(url);
   resourceRequest.setFrameType(WebURLRequest::FrameTypeNested);
   resourceRequest.setRequestContext(WebURLRequest::RequestContextForm);
@@ skipping 20 matching lines @@
   long long redirectEncodedDataLength = 123;
   redirectResponse.setEncodedDataLength(redirectEncodedDataLength);
   ResourceRequest redirectResourceRequest(url);
   fetcher->recordResourceTimingOnRedirect(resource, redirectResponse, false);
   EXPECT_EQ(navigationTimingInfo->transferSize(),
             encodedDataLength + redirectEncodedDataLength);
   Platform::current()->getURLLoaderMockFactory()->unregisterURL(url);
 }
 
 TEST_F(ResourceFetcherTest, VaryOnBack) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   MockFetchContext* context =
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource);
   context->setCachePolicy(CachePolicyHistoryBuffer);
   ResourceFetcher* fetcher = ResourceFetcher::create(context);
 
   KURL url(ParsedURLString, "http://127.0.0.1:8000/foo.html");
   Resource* resource = RawResource::create(url, Resource::Raw);
   memoryCache()->add(resource);
   ResourceResponse response;
   response.setURL(url);
   response.setHTTPStatusCode(200);
   response.setHTTPHeaderField(HTTPNames::Cache_Control, "max-age=3600");
   response.setHTTPHeaderField(HTTPNames::Vary, "*");
   resource->responseReceived(response, nullptr);
   resource->finish();
   ASSERT_TRUE(resource->hasVaryHeader());
 
   ResourceRequest resourceRequest(url);
   resourceRequest.setRequestContext(WebURLRequest::RequestContextInternal);
   FetchRequest fetchRequest =
       FetchRequest(resourceRequest, FetchInitiatorInfo());
   Resource* newResource = RawResource::fetch(fetchRequest, fetcher);
   EXPECT_EQ(resource, newResource);
 
   memoryCache()->remove(newResource);
 }
 
 TEST_F(ResourceFetcherTest, VaryResource) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   ResourceFetcher* fetcher = ResourceFetcher::create(
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource));
 
   KURL url(ParsedURLString, "http://127.0.0.1:8000/foo.html");
   ResourceResponse response;
   response.setURL(url);
   response.setHTTPStatusCode(200);
   response.setHTTPHeaderField(HTTPNames::Cache_Control, "max-age=3600");
   response.setHTTPHeaderField(HTTPNames::Vary, "*");
   URLTestHelpers::registerMockedURLLoadWithCustomResponse(
@@ skipping 42 matching lines @@
   }
 
   String debugName() const override { return "RequestSameResourceOnComplete"; }
 
  private:
   Member<Resource> m_resource;
   bool m_notifyFinishedCalled;
 };
 
 TEST_F(ResourceFetcherTest, RevalidateWhileFinishingLoading) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   KURL url(ParsedURLString, "http://127.0.0.1:8000/foo.png");
   ResourceResponse response;
   response.setURL(url);
   response.setHTTPStatusCode(200);
   response.setHTTPHeaderField(HTTPNames::Cache_Control, "max-age=3600");
   response.setHTTPHeaderField(HTTPNames::ETag, "1234567890");
   URLTestHelpers::registerMockedURLLoadWithCustomResponse(
       url, kTestResourceFilename, WebString::fromUTF8(""),
       WrappedResourceResponse(response));
   ResourceFetcher* fetcher1 = ResourceFetcher::create(
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource));
   ResourceRequest request1(url);
   request1.setHTTPHeaderField(HTTPNames::Cache_Control, "no-cache");
   FetchRequest fetchRequest1 = FetchRequest(request1, FetchInitiatorInfo());
   Resource* resource1 = MockResource::fetch(fetchRequest1, fetcher1);
   Persistent<RequestSameResourceOnComplete> client =
       new RequestSameResourceOnComplete(resource1);
   resource1->addClient(client);
   Platform::current()->getURLLoaderMockFactory()->serveAsynchronousRequests();
   Platform::current()->getURLLoaderMockFactory()->unregisterURL(url);
   EXPECT_TRUE(client->notifyFinishedCalled());
   resource1->removeClient(client);
   memoryCache()->remove(resource1);
 }
 
 TEST_F(ResourceFetcherTest, DontReuseMediaDataUrl) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   ResourceFetcher* fetcher = ResourceFetcher::create(
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource));
   ResourceRequest request(KURL(ParsedURLString, "data:text/html,foo"));
   request.setRequestContext(WebURLRequest::RequestContextVideo);
   ResourceLoaderOptions options;
   options.dataBufferingPolicy = DoNotBufferData;
   FetchRequest fetchRequest =
       FetchRequest(request, FetchInitiatorTypeNames::internal, options);
   Resource* resource1 = RawResource::fetchMedia(fetchRequest, fetcher);
   Resource* resource2 = RawResource::fetchMedia(fetchRequest, fetcher);
@@ skipping 42 matching lines @@
 
   String debugName() const override { return "ServeRequestsOnCompleteClient"; }
 };
 
 // Regression test for http://crbug.com/594072.
 // This emulates a modal dialog triggering a nested run loop inside
 // ResourceLoader::cancel(). If the ResourceLoader doesn't promptly cancel its
 // WebURLLoader before notifying its clients, a nested run loop  may send a
 // network response, leading to an invalid state transition in ResourceLoader.
 TEST_F(ResourceFetcherTest, ResponseOnCancel) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   KURL url(ParsedURLString, "http://127.0.0.1:8000/foo.png");
   URLTestHelpers::registerMockedURLLoad(url, kTestResourceFilename,
                                         kTestResourceMimeType);
 
   ResourceFetcher* fetcher = ResourceFetcher::create(
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource));
   ResourceRequest resourceRequest(url);
   resourceRequest.setRequestContext(WebURLRequest::RequestContextInternal);
   FetchRequest fetchRequest =
       FetchRequest(resourceRequest, FetchInitiatorInfo());
@@ skipping 49 matching lines @@
     memoryCache()->evictResources();
   }
 
   MockFetchContext* context() const { return m_context; }
 
  private:
   Member<MockFetchContext> m_context;
 };
 
 TEST_F(ResourceFetcherTest, SameOriginRedirect) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   const char redirectURL[] = "http://127.0.0.1:8000/redirect.html";
   const char finalURL[] = "http://127.0.0.1:8000/final.html";
   ScopedMockRedirectRequester requester;
   requester.registerRedirect(redirectURL, finalURL);
   requester.registerFinalResource(finalURL);
   requester.request(redirectURL);
 
   EXPECT_EQ(kRedirectResponseOverheadBytes + kTestResourceSize,
             requester.context()->getTransferSize());
 }
 
 TEST_F(ResourceFetcherTest, CrossOriginRedirect) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   const char redirectURL[] = "http://otherorigin.test/redirect.html";
   const char finalURL[] = "http://127.0.0.1:8000/final.html";
   ScopedMockRedirectRequester requester;
   requester.registerRedirect(redirectURL, finalURL);
   requester.registerFinalResource(finalURL);
   requester.request(redirectURL);
 
   EXPECT_EQ(kTestResourceSize, requester.context()->getTransferSize());
 }
 
 TEST_F(ResourceFetcherTest, ComplexCrossOriginRedirect) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   const char redirectURL1[] = "http://127.0.0.1:8000/redirect1.html";
   const char redirectURL2[] = "http://otherorigin.test/redirect2.html";
   const char redirectURL3[] = "http://127.0.0.1:8000/redirect3.html";
   const char finalURL[] = "http://127.0.0.1:8000/final.html";
   ScopedMockRedirectRequester requester;
   requester.registerRedirect(redirectURL1, redirectURL2);
   requester.registerRedirect(redirectURL2, redirectURL3);
   requester.registerRedirect(redirectURL3, finalURL);
   requester.registerFinalResource(finalURL);
   requester.request(redirectURL1);
 
   EXPECT_EQ(kTestResourceSize, requester.context()->getTransferSize());
 }
 
 TEST_F(ResourceFetcherTest, SynchronousRequest) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   KURL url(ParsedURLString, "http://127.0.0.1:8000/foo.png");
   URLTestHelpers::registerMockedURLLoad(url, kTestResourceFilename,
                                         kTestResourceMimeType);
 
   ResourceFetcher* fetcher = ResourceFetcher::create(
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource));
   ResourceRequest resourceRequest(url);
   resourceRequest.setRequestContext(WebURLRequest::RequestContextInternal);
   FetchRequest fetchRequest(resourceRequest, FetchInitiatorInfo());
   fetchRequest.makeSynchronous();
   Resource* resource = RawResource::fetch(fetchRequest, fetcher);
   EXPECT_TRUE(resource->isLoaded());
   EXPECT_EQ(ResourceLoadPriorityHighest,
             resource->resourceRequest().priority());
 
   Platform::current()->getURLLoaderMockFactory()->unregisterURL(url);
   memoryCache()->remove(resource);
 }
 
 TEST_F(ResourceFetcherTest, PreloadResourceTwice) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   ResourceFetcher* fetcher = ResourceFetcher::create(
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource));
 
   KURL url(ParsedURLString, "http://127.0.0.1:8000/foo.png");
   URLTestHelpers::registerMockedURLLoad(url, kTestResourceFilename,
                                         kTestResourceMimeType);
 
   FetchRequest fetchRequestOriginal = FetchRequest(url, FetchInitiatorInfo());
   Resource* resource = MockResource::fetch(fetchRequestOriginal, fetcher);
   ASSERT_TRUE(resource);
   Platform::current()->getURLLoaderMockFactory()->serveAsynchronousRequests();
   fetcher->preloadStarted(resource);
 
   FetchRequest fetchRequest = FetchRequest(url, FetchInitiatorInfo());
   Resource* newResource = MockResource::fetch(fetchRequest, fetcher);
   EXPECT_EQ(resource, newResource);
   fetcher->preloadStarted(resource);
 
   fetcher->clearPreloads(ResourceFetcher::ClearAllPreloads);
   Platform::current()->getURLLoaderMockFactory()->unregisterURL(url);
   EXPECT_FALSE(memoryCache()->contains(resource));
   EXPECT_FALSE(resource->isPreloaded());
 }
 
 TEST_F(ResourceFetcherTest, LinkPreloadResourceAndUse) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   ResourceFetcher* fetcher = ResourceFetcher::create(
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource));
 
   KURL url(ParsedURLString, "http://127.0.0.1:8000/foo.png");
   URLTestHelpers::registerMockedURLLoad(url, kTestResourceFilename,
                                         kTestResourceMimeType);
 
   // Link preload preload scanner
   FetchRequest fetchRequestOriginal = FetchRequest(url, FetchInitiatorInfo());
   fetchRequestOriginal.setLinkPreload(true);
@@ skipping 20 matching lines @@
   EXPECT_FALSE(resource->isLinkPreload());
 
   // DCL reached
   fetcher->clearPreloads(ResourceFetcher::ClearSpeculativeMarkupPreloads);
   Platform::current()->getURLLoaderMockFactory()->unregisterURL(url);
   EXPECT_TRUE(memoryCache()->contains(resource));
   EXPECT_FALSE(resource->isPreloaded());
 }
 
 TEST_F(ResourceFetcherTest, LinkPreloadResourceMultipleFetchersAndUse) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   ResourceFetcher* fetcher = ResourceFetcher::create(
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource));
   ResourceFetcher* fetcher2 = ResourceFetcher::create(
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource));
 
   KURL url(ParsedURLString, "http://127.0.0.1:8000/foo.png");
   URLTestHelpers::registerMockedURLLoad(url, kTestResourceFilename,
                                         kTestResourceMimeType);
 
   FetchRequest fetchRequestOriginal = FetchRequest(url, FetchInitiatorInfo());
@@ skipping 61 matching lines @@
   EXPECT_TRUE(memoryCache()->contains(resource));
   EXPECT_TRUE(resource->isPreloaded());
 
   // DCL reached on second fetcher
   fetcher2->clearPreloads(ResourceFetcher::ClearSpeculativeMarkupPreloads);
   EXPECT_TRUE(memoryCache()->contains(resource));
   EXPECT_FALSE(resource->isPreloaded());
 }
 
 TEST_F(ResourceFetcherTest, Revalidate304) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   KURL url(ParsedURLString, "http://127.0.0.1:8000/foo.html");
   Resource* resource = RawResource::create(url, Resource::Raw);
   memoryCache()->add(resource);
   ResourceResponse response;
   response.setURL(url);
   response.setHTTPStatusCode(304);
   response.setHTTPHeaderField("etag", "1234567890");
   resource->responseReceived(response, nullptr);
   resource->finish();
 
   ResourceFetcher* fetcher = ResourceFetcher::create(
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource));
   ResourceRequest resourceRequest(url);
   resourceRequest.setRequestContext(WebURLRequest::RequestContextInternal);
   FetchRequest fetchRequest =
       FetchRequest(resourceRequest, FetchInitiatorInfo());
   Platform::current()->getURLLoaderMockFactory()->registerURL(
       url, WebURLResponse(), "");
   Resource* newResource = RawResource::fetch(fetchRequest, fetcher);
   fetcher->stopFetching();
   Platform::current()->getURLLoaderMockFactory()->unregisterURL(url);
 
   EXPECT_NE(resource, newResource);
 }
 
 TEST_F(ResourceFetcherTest, LinkPreloadResourceMultipleFetchersAndMove) {
+  ScopedTestingPlatformSupport<FetchTestingPlatform> platform;
+
   ResourceFetcher* fetcher = ResourceFetcher::create(
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource));
   ResourceFetcher* fetcher2 = ResourceFetcher::create(
       MockFetchContext::create(MockFetchContext::kShouldLoadNewResource));
 
   KURL url(ParsedURLString, "http://127.0.0.1:8000/foo.png");
   URLTestHelpers::registerMockedURLLoad(url, kTestResourceFilename,
                                         kTestResourceMimeType);
 
   FetchRequest fetchRequestOriginal = FetchRequest(url, FetchInitiatorInfo());
   fetchRequestOriginal.setLinkPreload(true);
   Resource* resource = MockResource::fetch(fetchRequestOriginal, fetcher);
   ASSERT_TRUE(resource);
   EXPECT_TRUE(resource->isLinkPreload());
   fetcher->preloadStarted(resource);
 
   // Resource created by parser on the second fetcher
   FetchRequest fetchRequest2 = FetchRequest(url, FetchInitiatorInfo());
   Resource* newResource2 = MockResource::fetch(fetchRequest2, fetcher2);
   Persistent<MockResourceClient> client2 = new MockResourceClient(newResource2);
   EXPECT_EQ(resource, newResource2);
   EXPECT_FALSE(fetcher2->isFetching());
   Platform::current()->getURLLoaderMockFactory()->serveAsynchronousRequests();
   Platform::current()->getURLLoaderMockFactory()->unregisterURL(url);
 }
 
 }  // namespace blink