Oilpan: move ImageBitmap to the oilpan heap.

Source/core/frame/ImageBitmap.cpp

Index: Source/core/frame/ImageBitmap.cpp
diff --git a/Source/core/frame/ImageBitmap.cpp b/Source/core/frame/ImageBitmap.cpp
index 53567bd01655417a20ddcb3b9c280d32ba29d7a1..bd54d8146e165ff0537dc1ee384464b0bc180588 100644
--- a/Source/core/frame/ImageBitmap.cpp
+++ b/Source/core/frame/ImageBitmap.cpp
@@ -145,44 +145,51 @@ ImageBitmap::ImageBitmap(Image* image, const IntRect& cropRect)
 
 ImageBitmap::~ImageBitmap()
 {
-    if (m_imageElement)
+    detach();
+}
+
+void ImageBitmap::detach()
+{
+    if (m_imageElement) {
         m_imageElement->removeClient(this);
+        m_imageElement = nullptr;
+    }
 }
 
-PassRefPtr<ImageBitmap> ImageBitmap::create(HTMLImageElement* image, const IntRect& cropRect)
+PassRefPtrWillBeRawPtr<ImageBitmap> ImageBitmap::create(HTMLImageElement* image, const IntRect& cropRect)
 {
     IntRect normalizedCropRect = normalizeRect(cropRect);
-    return adoptRef(new ImageBitmap(image, normalizedCropRect));
+    return adoptRefWillBeNoop(new ImageBitmap(image, normalizedCropRect));
 }
 
-PassRefPtr<ImageBitmap> ImageBitmap::create(HTMLVideoElement* video, const IntRect& cropRect)
+PassRefPtrWillBeRawPtr<ImageBitmap> ImageBitmap::create(HTMLVideoElement* video, const IntRect& cropRect)
 {
     IntRect normalizedCropRect = normalizeRect(cropRect);
-    return adoptRef(new ImageBitmap(video, normalizedCropRect));
+    return adoptRefWillBeNoop(new ImageBitmap(video, normalizedCropRect));
 }
 
-PassRefPtr<ImageBitmap> ImageBitmap::create(HTMLCanvasElement* canvas, const IntRect& cropRect)
+PassRefPtrWillBeRawPtr<ImageBitmap> ImageBitmap::create(HTMLCanvasElement* canvas, const IntRect& cropRect)
 {
     IntRect normalizedCropRect = normalizeRect(cropRect);
-    return adoptRef(new ImageBitmap(canvas, normalizedCropRect));
+    return adoptRefWillBeNoop(new ImageBitmap(canvas, normalizedCropRect));
 }
 
-PassRefPtr<ImageBitmap> ImageBitmap::create(ImageData* data, const IntRect& cropRect)
+PassRefPtrWillBeRawPtr<ImageBitmap> ImageBitmap::create(ImageData* data, const IntRect& cropRect)
 {
     IntRect normalizedCropRect = normalizeRect(cropRect);
-    return adoptRef(new ImageBitmap(data, normalizedCropRect));
+    return adoptRefWillBeNoop(new ImageBitmap(data, normalizedCropRect));
 }
 
-PassRefPtr<ImageBitmap> ImageBitmap::create(ImageBitmap* bitmap, const IntRect& cropRect)
+PassRefPtrWillBeRawPtr<ImageBitmap> ImageBitmap::create(ImageBitmap* bitmap, const IntRect& cropRect)
 {
     IntRect normalizedCropRect = normalizeRect(cropRect);
-    return adoptRef(new ImageBitmap(bitmap, normalizedCropRect));
+    return adoptRefWillBeNoop(new ImageBitmap(bitmap, normalizedCropRect));
 }
 
-PassRefPtr<ImageBitmap> ImageBitmap::create(Image* image, const IntRect& cropRect)
+PassRefPtrWillBeRawPtr<ImageBitmap> ImageBitmap::create(Image* image, const IntRect& cropRect)
 {
     IntRect normalizedCropRect = normalizeRect(cropRect);
-    return adoptRef(new ImageBitmap(image, normalizedCropRect));
+    return adoptRefWillBeNoop(new ImageBitmap(image, normalizedCropRect));
 }
 
 void ImageBitmap::notifyImageSourceChanged()
@@ -200,4 +207,8 @@ PassRefPtr<Image> ImageBitmap::bitmapImage() const
     return m_bitmap;
 }
 
+void ImageBitmap::trace(Visitor*)
+{
+}
+
 }