Add ContextRec param to SkShader::contextSize()

src/effects/gradients/SkTwoPointConicalGradient.cpp

Index: src/effects/gradients/SkTwoPointConicalGradient.cpp
diff --git a/src/effects/gradients/SkTwoPointConicalGradient.cpp b/src/effects/gradients/SkTwoPointConicalGradient.cpp
index b7c95bc809c1264fb4321908eccfa42b577911b8..b938ebdec7a9bdcbd00b2e4fe26b5b3ab11b593e 100644
--- a/src/effects/gradients/SkTwoPointConicalGradient.cpp
+++ b/src/effects/gradients/SkTwoPointConicalGradient.cpp
@@ -211,7 +211,7 @@ bool SkTwoPointConicalGradient::isOpaque() const {
     return false;
 }
 
-size_t SkTwoPointConicalGradient::contextSize() const {
+size_t SkTwoPointConicalGradient::contextSize(const ContextRec&) const {
     return sizeof(TwoPointConicalGradientContext);
 }