Convert GrAuditTrail to use scoped frames

src/gpu/GrTracing.h

Index: src/gpu/GrTracing.h
diff --git a/src/gpu/GrTracing.h b/src/gpu/GrTracing.h
index 4cdcace6ff409f969266ad8576139d869e038122..328d94bdaba0aa6f1e29a64dd0949abaded57b1f 100644
--- a/src/gpu/GrTracing.h
+++ b/src/gpu/GrTracing.h
@@ -96,7 +96,7 @@ private:
         INTERNAL_GR_CREATE_TRACE_MARKER_SCOPED_C(classname "::" op,                                \
                                                  SK_MACRO_APPEND_LINE(name_counter), context)      \
     }                                                                                              \
-    GR_AUDIT_TRAIL_ADDOP(context->getAuditTrail(), SkString(op));                                  \
+    GR_AUDIT_TRAIL_AUTO_FRAME(context->getAuditTrail(), classname "::" op);                        \
     INTERNAL_TRACE_EVENT_ADD_SCOPED(TRACE_DISABLED_BY_DEFAULT("skia.gpu"), classname "::" op,      \
                                     "id", SK_MACRO_APPEND_LINE(name_counter));