Add GrShaderFlags enum

src/gpu/gl/builders/GrGLProgramBuilder.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLProgramBuilder.h"
 
 #include "GrAutoLocaleSetter.h"
@@ skipping 70 matching lines @@
 }
 
 void GrGLProgramBuilder::emitSamplers(const GrProcessor& processor,
                                       GrGLSLTextureSampler::TextureSamplerArray* outSamplers) {
     int numTextures = processor.numTextures();
     UniformHandle* localSamplerUniforms = fSamplerUniforms.push_back_n(numTextures);
     SkString name;
     for (int t = 0; t < numTextures; ++t) {
         name.printf("Sampler%d", t);
         GrSLType samplerType = get_sampler_type(processor.textureAccess(t));
-        localSamplerUniforms[t] =
-            fUniformHandler.addUniform(GrGLSLUniformHandler::kFragment_Visibility,
-                                       samplerType, kDefault_GrSLPrecision,
-                                       name.c_str());
+        localSamplerUniforms[t] = fUniformHandler.addUniform(kFragment_GrShaderFlag, samplerType,
+                                                             kDefault_GrSLPrecision, name.c_str());
         outSamplers->emplace_back(localSamplerUniforms[t], processor.textureAccess(t));
         if (kSamplerExternal_GrSLType == samplerType) {
             const char* externalFeatureString = this->glslCaps()->externalTextureExtensionString();
             // We shouldn't ever create a GrGLTexture that requires external sampler type 
             SkASSERT(externalFeatureString);
             fFS.addFeature(1 << GrGLSLFragmentShaderBuilder::kExternalTexture_GLSLPrivateFeature,
                            externalFeatureString);
         }
     }
 }
@@ skipping 159 matching lines @@
                            fUniformHandles,
                            programID,
                            fUniformHandler.fUniforms,
                            fVaryingHandler.fPathProcVaryingInfos,
                            fGeometryProcessor,
                            fXferProcessor,
                            fFragmentProcessors,
                            &fSamplerUniforms);
 }