Change GrGLProgramDesc header to have DoPathRendering flag instead of RequiresVertexShader

src/gpu/gl/GrGLProgram.cpp

Index: src/gpu/gl/GrGLProgram.cpp
diff --git a/src/gpu/gl/GrGLProgram.cpp b/src/gpu/gl/GrGLProgram.cpp
index dccd4bbd36214747d54c9fa69c92fe0239236b88..a695173f4c5fe11a9d5db3b4904b6c914d24f0b9 100644
--- a/src/gpu/gl/GrGLProgram.cpp
+++ b/src/gpu/gl/GrGLProgram.cpp
@@ -29,9 +29,10 @@ GrGLProgram* GrGLProgram::Create(GrGpuGL* gpu,
                                  const GrEffectStage* colorStages[],
                                  const GrEffectStage* coverageStages[]) {
     SkAutoTDelete<GrGLProgramBuilder> builder;
-    if (!desc.getHeader().fRequiresVertexShader &&
-        gpu->glCaps().pathRenderingSupport() &&
-        gpu->glPathRendering()->texturingMode() == GrGLPathRendering::FixedFunction_TexturingMode) {
+    if (desc.getHeader().fUseFragShaderOnly) {
+        SkASSERT(gpu->glCaps().pathRenderingSupport());
+        SkASSERT(gpu->glPathRendering()->texturingMode() ==
+                 GrGLPathRendering::FixedFunction_TexturingMode);
         SkASSERT(NULL == geometryProcessor);
         builder.reset(SkNEW_ARGS(GrGLFragmentOnlyProgramBuilder, (gpu, desc)));
     } else {