Move GrGLShaderVar to GrGLSL

src/gpu/gl/builders/GrGLProgramBuilder.h

Index: src/gpu/gl/builders/GrGLProgramBuilder.h
diff --git a/src/gpu/gl/builders/GrGLProgramBuilder.h b/src/gpu/gl/builders/GrGLProgramBuilder.h
index 96ede237f3998d98903d2f15263384ef77780c80..11c367df8c550f4ca84770dc55cabf968df4719f 100644
--- a/src/gpu/gl/builders/GrGLProgramBuilder.h
+++ b/src/gpu/gl/builders/GrGLProgramBuilder.h
@@ -67,7 +67,7 @@ public:
         int arrayCount,
         const char** outName = nullptr) = 0;
 
-    virtual const GrGLShaderVar& getUniformVariable(UniformHandle u) const = 0;
+    virtual const GrGLSLShaderVar& getUniformVariable(UniformHandle u) const = 0;
 
     /**
      * Shortcut for getUniformVariable(u).c_str()
@@ -243,7 +243,7 @@ public:
                                   int arrayCount,
                                   const char** outName) override;
 
-    const GrGLShaderVar& getUniformVariable(UniformHandle u) const override {
+    const GrGLSLShaderVar& getUniformVariable(UniformHandle u) const override {
         return fUniforms[u.toIndex()].fVariable;
     }