Add ContextRec param to SkShader::contextSize()

src/effects/SkPerlinNoiseShader.cpp

Index: src/effects/SkPerlinNoiseShader.cpp
diff --git a/src/effects/SkPerlinNoiseShader.cpp b/src/effects/SkPerlinNoiseShader.cpp
index 07917c3cd563d2bff9fcfc2f38395e71091a886a..ed7340ca3ae15c67e066f1526ef3674397b7bc9d 100644
--- a/src/effects/SkPerlinNoiseShader.cpp
+++ b/src/effects/SkPerlinNoiseShader.cpp
@@ -434,7 +434,7 @@ SkShader::Context* SkPerlinNoiseShader::onCreateContext(const ContextRec& rec,
     return new (storage) PerlinNoiseShaderContext(*this, rec);
 }
 
-size_t SkPerlinNoiseShader::contextSize() const {
+size_t SkPerlinNoiseShader::contextSize(const ContextRec&) const {
     return sizeof(PerlinNoiseShaderContext);
 }