[Oilpan] [Reland] Migrate classes under core/fetch to Oilpan heap

Source/modules/imagebitmap/ImageBitmapModuleTest.cpp

 // Copyright 2015 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 "config.h"
 #include "core/frame/ImageBitmap.h"
 
 #include "bindings/core/v8/UnionTypesCore.h"
 #include "core/dom/Document.h"
 #include "core/fetch/MemoryCache.h"
@@ skipping 15 matching lines @@
     virtual void TearDown()
     {
         // Garbage collection is required prior to switching out the
         // test's memory cache; image resources are released, evicting
         // them from the cache.
         Heap::collectGarbage(ThreadState::NoHeapPointersOnStack, ThreadState::GCWithSweep, Heap::ForcedGC);
 
         replaceMemoryCacheForTesting(m_globalMemoryCache.release());
     }
 
-    OwnPtrWillBePersistent<MemoryCache> m_globalMemoryCache;
+    Persistent<MemoryCache> m_globalMemoryCache;
 };
 
 // Verifies that ImageBitmaps constructed from ImageBitmaps hold onto their own Image.
 TEST_F(ImageBitmapModuleTest, ImageResourceLifetime)
 {
     RefPtrWillBeRawPtr<HTMLCanvasElement> canvasElement = HTMLCanvasElement::create(*Document::create().get());
     canvasElement->setHeight(40);
     canvasElement->setWidth(40);
     RefPtrWillBeRawPtr<ImageBitmap> imageBitmapDerived = nullptr;
     {
         RefPtrWillBeRawPtr<ImageBitmap> imageBitmapFromCanvas = ImageBitmap::create(canvasElement.get(), IntRect(0, 0, canvasElement->width(), canvasElement->height()));
         imageBitmapDerived = ImageBitmap::create(imageBitmapFromCanvas.get(), IntRect(0, 0, 20, 20));
     }
     CanvasContextCreationAttributes attributes;
     CanvasRenderingContext2D* context = static_cast<CanvasRenderingContext2D*>(canvasElement->getCanvasRenderingContext("2d", attributes));
     TrackExceptionState exceptionState;
     CanvasImageSourceUnion imageSource;
     imageSource.setImageBitmap(imageBitmapDerived);
     context->drawImage(imageSource, 0, 0, exceptionState);
 }
 
 } // namespace