Add GrShaderFlags enum

src/gpu/effects/GrBicubicEffect.cpp

Index: src/gpu/effects/GrBicubicEffect.cpp
diff --git a/src/gpu/effects/GrBicubicEffect.cpp b/src/gpu/effects/GrBicubicEffect.cpp
index cc38d626a9fbb6819bbf9d0885c8ea4b901c9030..567c38c7a89e0fcc7ad0bba0a60d4c745dba6cbd 100644
--- a/src/gpu/effects/GrBicubicEffect.cpp
+++ b/src/gpu/effects/GrBicubicEffect.cpp
@@ -48,10 +48,10 @@ void GrGLBicubicEffect::emitCode(EmitArgs& args) {
     const GrTextureDomain& domain = args.fFp.cast<GrBicubicEffect>().domain();
 
     GrGLSLUniformHandler* uniformHandler = args.fUniformHandler;
-    fCoefficientsUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+    fCoefficientsUni = uniformHandler->addUniform(kFragment_GrShaderFlag,
                                                   kMat44f_GrSLType, kDefault_GrSLPrecision,
                                                   "Coefficients");
-    fImageIncrementUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+    fImageIncrementUni = uniformHandler->addUniform(kFragment_GrShaderFlag,
                                                     kVec2f_GrSLType, kDefault_GrSLPrecision,
                                                     "ImageIncrement");