videoFrameToImage 3500 Source/core/html/canvas/WebGLRenderingContextBase.cpp RefPtr<Image> image = videoFrameToImage(video, ImageBuffer::fastCopyImageMode()); videoFrameToImage 3694 Source/core/html/canvas/WebGLRenderingContextBase.cpp RefPtr<Image> image = videoFrameToImage(video, ImageBuffer::fastCopyImageMode()); videoFrameToImage 391 Source/core/html/canvas/WebGLRenderingContextBase.h PassRefPtr<Image> videoFrameToImage(HTMLVideoElement*, BackingStoreCopy);