Update how we send draws to gpu backend to reduce state setting.

src/gpu/gl/GrGLVaryingHandler.cpp

Index: src/gpu/gl/GrGLVaryingHandler.cpp
diff --git a/src/gpu/gl/GrGLVaryingHandler.cpp b/src/gpu/gl/GrGLVaryingHandler.cpp
index a2d4e9d1b953b4867120a9327a4f944cb728d003..b7c87293059c670be5fc7e3f6e93fadaad4de3e3 100644
--- a/src/gpu/gl/GrGLVaryingHandler.cpp
+++ b/src/gpu/gl/GrGLVaryingHandler.cpp
@@ -19,9 +19,9 @@ GrGLSLVaryingHandler::VaryingHandle GrGLVaryingHandler::addPathProcessingVarying
     GrGLProgramBuilder* glPB = (GrGLProgramBuilder*) fProgramBuilder;
     // This call is not used for non-NVPR backends.
     SkASSERT(glPB->gpu()->glCaps().shaderCaps()->pathRenderingSupport() &&
-             glPB->fArgs.fPrimitiveProcessor->isPathRendering() &&
-             !glPB->fArgs.fPrimitiveProcessor->willUseGeoShader() &&
-             glPB->fArgs.fPrimitiveProcessor->numAttribs() == 0);
+             glPB->fPrimProc.isPathRendering() &&
+             !glPB->fPrimProc.willUseGeoShader() &&
+             glPB->fPrimProc.numAttribs() == 0);
 #endif
     this->addVarying(name, v, fsPrecision);
     auto varyingInfo = fPathProcVaryingInfos.push_back();