Add GrShaderFlags enum

src/gpu/gl/GrGLProgramDataManager.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkMatrix.h"
 #include "gl/GrGLProgramDataManager.h"
 #include "gl/GrGLGpu.h"
@@ skipping 14 matching lines @@
         Uniform& uniform = fUniforms[i];
         const UniformInfo& builderUniform = uniforms[i];
         SkASSERT(GrGLSLShaderVar::kNonArray == builderUniform.fVariable.getArrayCount() ||
                  builderUniform.fVariable.getArrayCount() > 0);
         SkDEBUGCODE(
             uniform.fArrayCount = builderUniform.fVariable.getArrayCount();
             uniform.fType = builderUniform.fVariable.getType();
         );
         // TODO: Move the Xoom uniform array in both FS and VS bug workaround here.
 
-        if (GrGLSLUniformHandler::kVertex_Visibility & builderUniform.fVisibility) {
+        if (kVertex_GrShaderFlag & builderUniform.fVisibility) {
             uniform.fVSLocation = builderUniform.fLocation;
         } else {
             uniform.fVSLocation = kUnusedUniform;
         }
-        if (GrGLSLUniformHandler::kFragment_Visibility & builderUniform.fVisibility) {
+        if (kFragment_GrShaderFlag & builderUniform.fVisibility) {
             uniform.fFSLocation = builderUniform.fLocation;
         } else {
             uniform.fFSLocation = kUnusedUniform;
         }
     }
 
     // NVPR programs have separable varyings
     count = pathProcVaryings.count();
     fPathProcVaryings.push_back_n(count);
     for (int i = 0; i < count; i++) {
@@ skipping 228 matching lines @@
                                                                   matrix);
 }
 
 #ifdef SK_DEBUG
 void GrGLProgramDataManager::printUnused(const Uniform& uni) const {
     if (kUnusedUniform == uni.fFSLocation && kUnusedUniform == uni.fVSLocation) {
         GrCapsDebugf(fGpu->caps(), "Unused uniform in shader\n");
     }
 }
 #endif