Revert of enforce 16byte alignment in shader contexts

include/effects/SkPerlinNoiseShader.h

Index: include/effects/SkPerlinNoiseShader.h
diff --git a/include/effects/SkPerlinNoiseShader.h b/include/effects/SkPerlinNoiseShader.h
index d9b0277f92609c5616e399c0d8ba734a5a1b6575..e9c22d44fc9812bd44e3e58869603e8902afa604 100644
--- a/include/effects/SkPerlinNoiseShader.h
+++ b/include/effects/SkPerlinNoiseShader.h
@@ -68,8 +68,11 @@
     static SkShader* CreateTubulence(SkScalar baseFrequencyX, SkScalar baseFrequencyY,
                                      int numOctaves, SkScalar seed,
                                      const SkISize* tileSize = NULL) {
-        return CreateTurbulence(baseFrequencyX, baseFrequencyY, numOctaves, seed, tileSize);
+    return CreateTurbulence(baseFrequencyX, baseFrequencyY, numOctaves, seed, tileSize);
     }
+
+
+    size_t contextSize(const ContextRec&) const override;
 
     class PerlinNoiseShaderContext : public SkShader::Context {
     public:
@@ -103,7 +106,6 @@
 protected:
     void flatten(SkWriteBuffer&) const override;
     Context* onCreateContext(const ContextRec&, void* storage) const override;
-    size_t onContextSize(const ContextRec&) const override;
 
 private:
     SkPerlinNoiseShader(SkPerlinNoiseShader::Type type, SkScalar baseFrequencyX,