Enable Oilpan for ImageBitmapFactories::ImageBitmapLoader by default.

We can't enable Oilpan for ImageBitmapFactories, another class in
modules/imagebitmap/, because it's a Supplement of DOMWindow or
WorkerGlobalScope.

BUG=340522

Review URL: https://codereview.chromium.org/323293004

git-svn-id: svn://svn.chromium.org/blink/trunk@176252 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/modules/imagebitmap/ImageBitmapFactories.cpp

@@ -185,7 +185,7 @@ ScriptPromise ImageBitmapFactories::createImageBitmap(ScriptState* scriptState,
 
 ScriptPromise ImageBitmapFactories::createImageBitmap(ScriptState* scriptState, EventTarget& eventTarget, Blob* blob, ExceptionState& exceptionState)
 {
-    RefPtrWillBeRawPtr<ImageBitmapLoader> loader = ImageBitmapFactories::ImageBitmapLoader::create(from(eventTarget), IntRect(), scriptState);
+    ImageBitmapLoader* loader = ImageBitmapFactories::ImageBitmapLoader::create(from(eventTarget), IntRect(), scriptState);
     ScriptPromise promise = loader->promise();
     from(eventTarget).addLoader(loader);
     loader->loadBlobAsync(eventTarget.executionContext(), blob);
@@ -198,7 +198,7 @@ ScriptPromise ImageBitmapFactories::createImageBitmap(ScriptState* scriptState,
         exceptionState.throwDOMException(IndexSizeError, String::format("The source %s provided is 0.", sw ? "height" : "width"));
         return ScriptPromise();
     }
-    RefPtrWillBeRawPtr<ImageBitmapLoader> loader = ImageBitmapFactories::ImageBitmapLoader::create(from(eventTarget), IntRect(sx, sy, sw, sh), scriptState);
+    ImageBitmapLoader* loader = ImageBitmapFactories::ImageBitmapLoader::create(from(eventTarget), IntRect(sx, sy, sw, sh), scriptState);
     ScriptPromise promise = loader->promise();
     from(eventTarget).addLoader(loader);
     loader->loadBlobAsync(eventTarget.executionContext(), blob);
@@ -260,7 +260,7 @@ ImageBitmapFactories& ImageBitmapFactories::fromInternal(GlobalObject& object)
     return *supplement;
 }
 
-void ImageBitmapFactories::addLoader(PassRefPtrWillBeRawPtr<ImageBitmapLoader> loader)
+void ImageBitmapFactories::addLoader(ImageBitmapLoader* loader)
 {
     m_pendingLoaders.add(loader);
 }

third_party/WebKit/Source/modules/imagebitmap/ImageBitmapFactories.h

@@ -81,11 +81,11 @@ protected:
     static const char* supplementName();
 
 private:
-    class ImageBitmapLoader FINAL : public RefCountedWillBeGarbageCollectedFinalized<ImageBitmapLoader>, public FileReaderLoaderClient {
+    class ImageBitmapLoader FINAL : public GarbageCollectedFinalized<ImageBitmapLoader>, public FileReaderLoaderClient {
     public:
-        static PassRefPtrWillBeRawPtr<ImageBitmapLoader> create(ImageBitmapFactories& factory, const IntRect& cropRect, ScriptState* scriptState)
+        static ImageBitmapLoader* create(ImageBitmapFactories& factory, const IntRect& cropRect, ScriptState* scriptState)
         {
-            return adoptRefWillBeNoop(new ImageBitmapLoader(factory, cropRect, scriptState));
+            return new ImageBitmapLoader(factory, cropRect, scriptState);
         }
 
         void loadBlobAsync(ExecutionContext*, Blob*);
@@ -117,10 +117,10 @@ private:
     template<class GlobalObject>
     static ImageBitmapFactories& fromInternal(GlobalObject&);
 
-    void addLoader(PassRefPtrWillBeRawPtr<ImageBitmapLoader>);
+    void addLoader(ImageBitmapLoader*);
     void didFinishLoading(ImageBitmapLoader*);
 
-    WillBeHeapHashSet<RefPtrWillBeMember<ImageBitmapLoader> > m_pendingLoaders;
+    PersistentHeapHashSetWillBeHeapHashSet<Member<ImageBitmapLoader> > m_pendingLoaders;
 };
 
 } // namespace WebCore