Add GrShaderFlags enum

src/gpu/effects/GrTextureDomain.cpp

Index: src/gpu/effects/GrTextureDomain.cpp
diff --git a/src/gpu/effects/GrTextureDomain.cpp b/src/gpu/effects/GrTextureDomain.cpp
index 2bba9b6ea4a9b72d61faa4bab0bb737fdbaacefc..16bca7c6d72fb5dee168922004d34590a3a7236e 100644
--- a/src/gpu/effects/GrTextureDomain.cpp
+++ b/src/gpu/effects/GrTextureDomain.cpp
@@ -60,7 +60,7 @@ void GrTextureDomain::GLDomain::sampleTexture(GrGLSLShaderBuilder* builder,
         if (textureDomain.fIndex >= 0) {
             uniName.appendS32(textureDomain.fIndex);
         }
-        fDomainUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+        fDomainUni = uniformHandler->addUniform(kFragment_GrShaderFlag,
                                                 kVec4f_GrSLType, kDefault_GrSLPrecision,
                                                 uniName.c_str(), &name);
         fDomainName = name;