Add GrShaderFlags enum

src/core/SkColorMatrixFilterRowMajor255.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkColorMatrixFilterRowMajor255.h"
 #include "SkColorPriv.h"
 #include "SkNx.h"
@@ skipping 239 matching lines @@
 
     GR_DECLARE_FRAGMENT_PROCESSOR_TEST;
 
     class GLSLProcessor : public GrGLSLFragmentProcessor {
     public:
         // this class always generates the same code.
         static void GenKey(const GrProcessor&, const GrGLSLCaps&, GrProcessorKeyBuilder*) {}
 
         void emitCode(EmitArgs& args) override {
             GrGLSLUniformHandler* uniformHandler = args.fUniformHandler;
-            fMatrixHandle = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+            fMatrixHandle = uniformHandler->addUniform(kFragment_GrShaderFlag,
                                                        kMat44f_GrSLType, kDefault_GrSLPrecision,
                                                        "ColorMatrix");
-            fVectorHandle = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+            fVectorHandle = uniformHandler->addUniform(kFragment_GrShaderFlag,
                                                        kVec4f_GrSLType, kDefault_GrSLPrecision,
                                                        "ColorMatrixVector");
 
             if (nullptr == args.fInputColor) {
                 // could optimize this case, but we aren't for now.
                 args.fInputColor = "vec4(1)";
             }
             GrGLSLFragmentBuilder* fragBuilder = args.fFragBuilder;
             // The max() is to guard against 0 / 0 during unpremul when the incoming color is
             // transparent black.
@@ skipping 148 matching lines @@
 SkColorFilter* SkColorMatrixFilterRowMajor255::CreateSingleChannelOutput(const SkScalar row[5]) {
     SkASSERT(row);
     SkColorMatrixFilterRowMajor255* cf = new SkColorMatrixFilterRowMajor255();
     static_assert(sizeof(SkScalar) * 5 * 4 == sizeof(cf->fMatrix), "sizes don't match");
     for (int i = 0; i < 4; ++i) {
         memcpy(cf->fMatrix + 5 * i, row, sizeof(SkScalar) * 5);
     }
     cf->initState();
     return cf;
 }