mv FetchTestingPlatformSupport to platform/loader/testing

third_party/WebKit/Source/core/loader/resource/FontResourceTest.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/loader/resource/FontResource.h"
 
 #include "core/loader/resource/MockFontResourceClient.h"
 #include "platform/exported/WrappedResourceResponse.h"
 #include "platform/loader/fetch/FetchInitiatorInfo.h"
 #include "platform/loader/fetch/FetchRequest.h"
 #include "platform/loader/fetch/MemoryCache.h"
-#include "platform/loader/fetch/MockFetchContext.h"
 #include "platform/loader/fetch/MockResourceClient.h"
 #include "platform/loader/fetch/ResourceFetcher.h"
 #include "platform/loader/fetch/ResourceLoader.h"
+#include "platform/loader/testing/MockFetchContext.h"
 #include "platform/network/ResourceError.h"
 #include "platform/network/ResourceRequest.h"
 #include "platform/network/ResourceResponse.h"
 #include "platform/weborigin/KURL.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebURLLoaderMockFactory.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace blink {
 
@@ skipping 115 matching lines @@
   Persistent<MockFontResourceClient> client3 =
       new MockFontResourceClient(resource);
   EXPECT_TRUE(client3->fontLoadShortLimitExceededCalled());
   EXPECT_TRUE(client3->fontLoadLongLimitExceededCalled());
 
   Platform::current()->getURLLoaderMockFactory()->serveAsynchronousRequests();
   memoryCache()->remove(resource);
 }
 
 }  // namespace blink