Oilpan: Remove most WillBe types from the code base

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

Index: third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.h
diff --git a/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.h b/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.h
index 90d9acec0a02fece6dc07688bffbc122f6f56aee..ae3eb8b7497d7d98c343f21138d9fd3927b04789 100644
--- a/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.h
+++ b/third_party/WebKit/Source/core/imagebitmap/ImageBitmapFactories.h
@@ -54,10 +54,8 @@ class WebTaskRunner;
 
 typedef HTMLImageElementOrHTMLVideoElementOrHTMLCanvasElementOrBlobOrImageDataOrImageBitmap ImageBitmapSourceUnion;
 
-class ImageBitmapFactories final : public NoBaseWillBeGarbageCollectedFinalized<ImageBitmapFactories>, public WillBeHeapSupplement<LocalDOMWindow>, public WillBeHeapSupplement<WorkerGlobalScope> {
-    WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ImageBitmapFactories);
-    USING_FAST_MALLOC_WILL_BE_REMOVED(ImageBitmapFactories);
-
+class ImageBitmapFactories final : public GarbageCollectedFinalized<ImageBitmapFactories>, public HeapSupplement<LocalDOMWindow>, public HeapSupplement<WorkerGlobalScope> {
+    USING_GARBAGE_COLLECTED_MIXIN(ImageBitmapFactories);
 public:
     static ScriptPromise createImageBitmap(ScriptState*, EventTarget&, const ImageBitmapSourceUnion&, ExceptionState&);
     static ScriptPromise createImageBitmap(ScriptState*, EventTarget&, const ImageBitmapSourceUnion&, const ImageBitmapOptions&, ExceptionState&);
@@ -103,7 +101,7 @@ private:
         void didFail(FileError::ErrorCode) override;
 
         FileReaderLoader m_loader;
-        RawPtrWillBeMember<ImageBitmapFactories> m_factory;
+        Member<ImageBitmapFactories> m_factory;
         Member<ScriptPromiseResolver> m_resolver;
         IntRect m_cropRect;
         ImageBitmapOptions m_options;
@@ -117,7 +115,7 @@ private:
     void addLoader(ImageBitmapLoader*);
     void didFinishLoading(ImageBitmapLoader*);
 
-    PersistentHeapHashSetWillBeHeapHashSet<Member<ImageBitmapLoader>> m_pendingLoaders;
+    HeapHashSet<Member<ImageBitmapLoader>> m_pendingLoaders;
 };
 
 } // namespace blink