Populate NVPR functions when run with command buffer

src/gpu/gl/GrGLInterface.cpp

Index: src/gpu/gl/GrGLInterface.cpp
diff --git a/src/gpu/gl/GrGLInterface.cpp b/src/gpu/gl/GrGLInterface.cpp
index da3c656c18c36f16c51c96a7d72f962baafb20a2..9cdc9f438657d3bee1c2c3cea9738805bbdb5723 100644
--- a/src/gpu/gl/GrGLInterface.cpp
+++ b/src/gpu/gl/GrGLInterface.cpp
@@ -39,6 +39,9 @@ const GrGLInterface* GrGLInterfaceRemoveNVPR(const GrGLInterface* interface) {
     GrGLInterface* newInterface = GrGLInterface::NewClone(interface);
 
     newInterface->fExtensions.remove("GL_NV_path_rendering");
+    newInterface->fExtensions.remove("GL_CHROMIUM_path_rendering");
+    newInterface->fFunctions.fMatrixLoadf = nullptr;
+    newInterface->fFunctions.fMatrixLoadIdentity = nullptr;
     newInterface->fFunctions.fPathCommands = nullptr;
     newInterface->fFunctions.fPathParameteri = nullptr;
     newInterface->fFunctions.fPathParameterf = nullptr;