CompatibleImageBufferSurface 67 Source/platform/graphics/GraphicsContext.cpp WTF_MAKE_NONCOPYABLE(CompatibleImageBufferSurface); WTF_MAKE_FAST_ALLOCATED; CompatibleImageBufferSurface 69 Source/platform/graphics/GraphicsContext.cpp CompatibleImageBufferSurface(PassRefPtr<SkSurface> surface, const IntSize& size, OpacityMode opacityMode) CompatibleImageBufferSurface 1726 Source/platform/graphics/GraphicsContext.cpp OwnPtr<ImageBufferSurface> surface = adoptPtr(new CompatibleImageBufferSurface(skSurface.release(), scaledSize, opacityMode));