Added varying struct

src/gpu/gl/builders/GrGLGeometryShaderBuilder.h

Index: src/gpu/gl/builders/GrGLGeometryShaderBuilder.h
diff --git a/src/gpu/gl/builders/GrGLGeometryShaderBuilder.h b/src/gpu/gl/builders/GrGLGeometryShaderBuilder.h
index aa27f23f03f6d402900cf30736a8f171dc4771fc..88fa2988236d046801e6f5b118c79b9bb3af65fa 100644
--- a/src/gpu/gl/builders/GrGLGeometryShaderBuilder.h
+++ b/src/gpu/gl/builders/GrGLGeometryShaderBuilder.h
@@ -10,18 +10,22 @@
 
 #include "GrGLShaderBuilder.h"
 
+class GrGLVarying;
+
 class GrGLGeometryBuilder : public GrGLShaderBuilder {
 public:
     GrGLGeometryBuilder(GrGLProgramBuilder* program);
+
+private:
     /*
      * an internal call for GrGLFullProgramBuilder to add varyings
      */
-    void addVarying(GrSLType type,
-                   const char* name,
-                   const char** gsOutName);
+    void addVarying(const char* name, GrGLVarying*);
 
     bool compileAndAttachShaders(GrGLuint programId, SkTDArray<GrGLuint>* shaderIds) const;
 
+    friend class GrGLProgramBuilder;
+
     typedef GrGLShaderBuilder INHERITED;
 };