Add nullptr support to scoped_ptr.

base/move.h

Index: base/move.h
diff --git a/base/move.h b/base/move.h
index 1c67155be1c72b8d1267dda558180ba6eea10510..0578cc889c979264cf3ff5840fb007e0958e6e3d 100644
--- a/base/move.h
+++ b/base/move.h
@@ -215,4 +215,13 @@
   typedef void MoveOnlyTypeForCPP03; \
  private:
 
+#define MOVE_ONLY_TYPE_FOR_CPP_03_WITH_MOVE_CONSTRUCTOR(type) \
+ private: \
+  type(type&); \
+  void operator=(type&); \
+ public: \
+  typedef void MoveOnlyTypeForCPP03; \
+  type&& Pass() { return static_cast<type&&>(*this); } \

[jamesr, 2014/09/26 20:22:45]

no, this is not something we should add as a general purpose macro yet.

[danakj, 2014/09/26 20:57:52]

Why? It's only useful if they also add a T&& constructor to the class, which is
banned. I could do all of this inline in the 2 scoped_ptr classes, but given the
aforementioned, is that really needed?

+ private:
+
 #endif  // BASE_MOVE_H_