Drawing an animated image to a canvas now behave as expected

Source/platform/graphics/BitmapImage.cpp

Index: Source/platform/graphics/BitmapImage.cpp
diff --git a/Source/platform/graphics/BitmapImage.cpp b/Source/platform/graphics/BitmapImage.cpp
index b9e49de05d2a61f129c7ba950b7af31ebf590547..60aef55c5dbf910920c7970e9ce8267350d26fc2 100644
--- a/Source/platform/graphics/BitmapImage.cpp
+++ b/Source/platform/graphics/BitmapImage.cpp
@@ -367,6 +367,14 @@ PassRefPtr<NativeImageSkia> BitmapImage::nativeImageForCurrentFrame()
     return frameAtIndex(currentFrame());
 }
 
+PassRefPtr<Image> BitmapImage::imageForDefaultFrame()
+{
+    if (isBitmapImage() && maybeAnimated())
+        return BitmapImage::create(frameAtIndex(0));
+
+    return Image::imageForDefaultFrame();
+}
+
 bool BitmapImage::frameHasAlphaAtIndex(size_t index)
 {
     if (m_frames.size() <= index)