Add GrShaderFlags enum

src/gpu/effects/GrMatrixConvolutionEffect.cpp

Index: src/gpu/effects/GrMatrixConvolutionEffect.cpp
diff --git a/src/gpu/effects/GrMatrixConvolutionEffect.cpp b/src/gpu/effects/GrMatrixConvolutionEffect.cpp
index a7f829e766e3107fc7c5932101b1b6553841c7b8..ac7889d0b290a754985dbc2d1308edc01ed93060 100644
--- a/src/gpu/effects/GrMatrixConvolutionEffect.cpp
+++ b/src/gpu/effects/GrMatrixConvolutionEffect.cpp
@@ -40,19 +40,19 @@ void GrGLMatrixConvolutionEffect::emitCode(EmitArgs& args) {
     int kHeight = mce.kernelSize().height();
 
     GrGLSLUniformHandler* uniformHandler = args.fUniformHandler;
-    fImageIncrementUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+    fImageIncrementUni = uniformHandler->addUniform(kFragment_GrShaderFlag,
                                                     kVec2f_GrSLType, kDefault_GrSLPrecision,
                                                     "ImageIncrement");
-    fKernelUni = uniformHandler->addUniformArray(GrGLSLUniformHandler::kFragment_Visibility,
+    fKernelUni = uniformHandler->addUniformArray(kFragment_GrShaderFlag,
                                                  kFloat_GrSLType, kDefault_GrSLPrecision,
                                                  "Kernel",
                                                  kWidth * kHeight);
-    fKernelOffsetUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+    fKernelOffsetUni = uniformHandler->addUniform(kFragment_GrShaderFlag,
                                                   kVec2f_GrSLType, kDefault_GrSLPrecision,
                                                   "KernelOffset");
-    fGainUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+    fGainUni = uniformHandler->addUniform(kFragment_GrShaderFlag,
                                           kFloat_GrSLType, kDefault_GrSLPrecision, "Gain");
-    fBiasUni = uniformHandler->addUniform(GrGLSLUniformHandler::kFragment_Visibility,
+    fBiasUni = uniformHandler->addUniform(kFragment_GrShaderFlag,
                                           kFloat_GrSLType, kDefault_GrSLPrecision, "Bias");
 
     const char* kernelOffset = uniformHandler->getUniformCStr(fKernelOffsetUni);