diff -up chromium-61.0.3163.79/mojo/public/cpp/bindings/struct_ptr.h.uglyhack chromium-61.0.3163.79/mojo/public/cpp/bindings/struct_ptr.h
--- chromium-61.0.3163.79/mojo/public/cpp/bindings/struct_ptr.h.uglyhack	2017-09-14 14:01:32.168409717 -0400
+++ chromium-61.0.3163.79/mojo/public/cpp/bindings/struct_ptr.h	2017-09-14 14:01:40.478219060 -0400
@@ -107,7 +107,7 @@ class StructPtr {
 
   std::unique_ptr<Struct> ptr_;
 
-  DISALLOW_COPY_AND_ASSIGN(StructPtr);
+  // DISALLOW_COPY_AND_ASSIGN(StructPtr);
 };
 
 template <typename T>