isCached          124 Source/platform/graphics/ImageDecodingStore.h     bool isCached(const ImageFrameGenerator*, const SkISize& scaledSize, size_t index);
isCached          108 Source/platform/graphics/LazyDecodingPixelRef.cpp     return ImageDecodingStore::instance()->isCached(m_frameGenerator.get(), m_frameGenerator->getFullSize(), m_frameIndex);