HasAlpha         1400 Source/platform/graphics/gpu/WebGLImageConversion.cpp     if ((!HasAlpha(SrcFormat) || !HasColor(SrcFormat) || !HasColor(DstFormat)) && alphaOp != WebGLImageConversion::AlphaDoNothing) {
HasAlpha         1756 Source/platform/graphics/gpu/WebGLImageConversion.cpp     if (!HasAlpha(sourceDataFormat) || !HasColor(sourceDataFormat) || !HasColor(dstDataFormat))