foregroundIsKnownToBeOpaqueInRect 1361 Source/core/rendering/RenderBox.cpp if (childBox->foregroundIsKnownToBeOpaqueInRect(childLocalRect, maxDepthToTest - 1)) foregroundIsKnownToBeOpaqueInRect 1382 Source/core/rendering/RenderBox.cpp return foregroundIsKnownToBeOpaqueInRect(backgroundRect, backgroundObscurationTestMaxDepth); foregroundIsKnownToBeOpaqueInRect 636 Source/core/rendering/RenderBox.h virtual bool foregroundIsKnownToBeOpaqueInRect(const LayoutRect& localRect, unsigned maxDepthToTest) const; foregroundIsKnownToBeOpaqueInRect 522 Source/core/rendering/RenderImage.cpp return foregroundIsKnownToBeOpaqueInRect(paintedExtent, 0); foregroundIsKnownToBeOpaqueInRect 95 Source/core/rendering/RenderImage.h virtual bool foregroundIsKnownToBeOpaqueInRect(const LayoutRect& localRect, unsigned maxDepthToTest) const OVERRIDE FINAL;