Moved GrGLFragmentProcessor definition to its own file

src/effects/SkArithmeticMode_gpu.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkArithmeticMode_gpu.h"
 
 #if SK_SUPPORT_GPU
 #include "GrContext.h"
 #include "GrFragmentProcessor.h"
 #include "GrInvariantOutput.h"
 #include "GrProcessor.h"
 #include "GrTexture.h"
 #include "gl/GrGLCaps.h"
-#include "gl/GrGLProcessor.h"
+#include "gl/GrGLFragmentProcessor.h"
 #include "gl/GrGLProgramDataManager.h"
 #include "gl/builders/GrGLProgramBuilder.h"
 
 static const bool gUseUnpremul = false;
 
 static void add_arithmetic_code(GrGLFragmentBuilder* fsBuilder,
                                 const char* inputColor,
                                 const char* dstColor,
                                 const char* outputColor,
                                 const char* kUni,
@@ skipping 277 matching lines @@
     float k1 = d->fRandom->nextF();
     float k2 = d->fRandom->nextF();
     float k3 = d->fRandom->nextF();
     float k4 = d->fRandom->nextF();
     bool enforcePMColor = d->fRandom->nextBool();
 
     return GrArithmeticXPFactory::Create(k1, k2, k3, k4, enforcePMColor);
 }
 
 #endif