Revert of enforce 16byte alignment in shader contexts

experimental/SkPerlinNoiseShader2/SkPerlinNoiseShader2.h

Index: experimental/SkPerlinNoiseShader2/SkPerlinNoiseShader2.h
diff --git a/experimental/SkPerlinNoiseShader2/SkPerlinNoiseShader2.h b/experimental/SkPerlinNoiseShader2/SkPerlinNoiseShader2.h
index fac098ab52194c9b72feee0908d4244080efc0f8..a129ef8bcda97bcf7590a04ab46027018f0c20a4 100644
--- a/experimental/SkPerlinNoiseShader2/SkPerlinNoiseShader2.h
+++ b/experimental/SkPerlinNoiseShader2/SkPerlinNoiseShader2.h
@@ -80,8 +80,11 @@
     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:
@@ -115,7 +118,6 @@
 
 protected:
     void flatten(SkWriteBuffer&) const override;
-    size_t onContextSize(const ContextRec&) const override;
     Context* onCreateContext(const ContextRec&, void* storage) const override;
 
 private: