Remove debug print statement

src/gpu/gl/builders/GrGLProgramBuilder.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLProgramBuilder_DEFINED
 #define GrGLProgramBuilder_DEFINED
 
@@ skipping 301 matching lines @@
                                           int arrayCount,
                                           const char** outName) override;
 
     // Used to add a uniform for frag position without mangling the name of the uniform inside of a
     // stage.
     UniformHandle addFragPosUniform(uint32_t visibility,
                                     GrSLType type,
                                     GrSLPrecision precision,
                                     const char* name,
                                     const char** outName) {
-        SkDebugf("in my frag pos thing\n");
         return this->internalAddUniformArray(visibility, type, precision, name, false, 0, outName);
     }
 
     // Generates a name for a variable. The generated string will be name prefixed by the prefix
     // char (unless the prefix is '\0'). It also will mangle the name to be stage-specific unless
     // explicitly asked not to.
     void nameVariable(SkString* out, char prefix, const char* name, bool mangle = true);
     // Generates a possibly mangled name for a stage variable and writes it to the fragment shader.
     // If GrGLSLExpr4 has a valid name then it will use that instead
     void nameExpression(GrGLSLExpr4*, const char* baseName);
@@ skipping 89 matching lines @@
     GrGLPrimitiveProcessor::TransformsOut fOutCoords;
     SkTArray<UniformHandle> fSamplerUniforms;
     SeparableVaryingInfoArray fSeparableVaryingInfos;
 
     friend class GrGLShaderBuilder;
     friend class GrGLVertexBuilder;
     friend class GrGLFragmentShaderBuilder;
     friend class GrGLGeometryBuilder;
 };
 #endif