2 files changed, 6 insertions, 3 deletions
diff --git a/src/tracing/trace_event_common.h b/src/tracing/trace_event_common.h
index 18dd6ec18b..df923f81b6 100644
--- a/src/tracing/trace_event_common.h
+++ b/src/tracing/trace_event_common.h
@@ -150,9 +150,11 @@
 //     void AppendAsTraceFormat(std::string* out) const override {
 //       out->append("{\"foo\":1}");
 //     }
+//     MyData(const MyData&) = delete;
+//     MyData& operator=(const MyData&) = delete;
+//
 //    private:
 //     ~MyData() override {}
-//     DISALLOW_COPY_AND_ASSIGN(MyData);
 //   };
 //
 //   TRACE_EVENT1("foo", "bar", "data",
diff --git a/src/tracing/traced_value.h b/src/tracing/traced_value.h
index 955d62dfe6..62782b238f 100644
--- a/src/tracing/traced_value.h
+++ b/src/tracing/traced_value.h
@@ -50,6 +50,9 @@ class TracedValue : public v8::ConvertableToTraceFormat {
   // ConvertableToTraceFormat implementation.
   void AppendAsTraceFormat(std::string* out) const override;
 
+  TracedValue(const TracedValue&) = delete;
+  TracedValue& operator=(const TracedValue&) = delete;
+
  private:
   explicit TracedValue(bool root_is_array = false);
 
@@ -59,8 +62,6 @@ class TracedValue : public v8::ConvertableToTraceFormat {
   std::string data_;
   bool first_item_;
   bool root_is_array_;
-
-  DISALLOW_COPY_AND_ASSIGN(TracedValue);
 };
 
 }  // namespace tracing