Make GrGLSLProgramBuilder base class for ProgramBuilder

src/gpu/gl/GrGLFragmentProcessor.h

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef GrGLFragmentProcessor_DEFINED
 #define GrGLFragmentProcessor_DEFINED
 
 #include "glsl/GrGLSLProcessorTypes.h"
 #include "glsl/GrGLSLProgramDataManager.h"
 #include "glsl/GrGLSLTextureSampler.h"
 
 class GrProcessor;
 class GrProcessorKeyBuilder;
-class GrGLFPBuilder;
+class GrGLSLFPBuilder;
 class GrGLSLCaps;
 
 class GrGLFragmentProcessor {
 public:
     GrGLFragmentProcessor() {}
 
     virtual ~GrGLFragmentProcessor() {
         for (int i = 0; i < fChildProcessors.count(); ++i) {
             delete fChildProcessors[i];
         }
@@ skipping 15 matching lines @@
                             nullptr in which case the implied input is solid white (all ones).
                             TODO: Better system for communicating optimization info (e.g. input
                             color is solid white, trans black, known to be opaque, etc.) that allows
                             the processor to communicate back similar known info about its output.
         @param samplers     Contains one entry for each GrTextureAccess of the GrProcessor. These
                             can be passed to the builder to emit texture reads in the generated
                             code.
      */
 
     struct EmitArgs {
-        EmitArgs(GrGLFPBuilder* builder,
+        EmitArgs(GrGLSLFPBuilder* builder,
                  const GrFragmentProcessor& fp,
                  const char* outputColor,
                  const char* inputColor,
                  const GrGLSLTransformedCoordsArray& coords,
                  const TextureSamplerArray& samplers)
             : fBuilder(builder)
             , fFp(fp)
             , fOutputColor(outputColor)
             , fInputColor(inputColor)
             , fCoords(coords)
             , fSamplers(samplers) {}
-        GrGLFPBuilder* fBuilder;
+        GrGLSLFPBuilder* fBuilder;
         const GrFragmentProcessor& fFp;
         const char* fOutputColor;
         const char* fInputColor;
         const GrGLSLTransformedCoordsArray& fCoords;
         const TextureSamplerArray& fSamplers;
     };
 
     virtual void emitCode(EmitArgs&) = 0;
 
     void setData(const GrGLSLProgramDataManager& pdman, const GrFragmentProcessor& processor);
@@ skipping 31 matching lines @@
 
 private:
     void internalEmitChild(int, const char*, const char*, EmitArgs&);
 
     SkTArray<GrGLFragmentProcessor*, true> fChildProcessors;
 
     friend class GrFragmentProcessor;
 };
 
 #endif