Use "= delete" for DISALLOW_COPY_AND_ASSIGN on Linux.

base/macros.h

Index: base/macros.h
diff --git a/base/macros.h b/base/macros.h
index fa12dd2e6bca88aa06a2e425dc3a66ab83e48207..f20284f48ed3382b2f58b09d6c00370bc2cf249f 100644
--- a/base/macros.h
+++ b/base/macros.h
@@ -21,18 +21,21 @@
 #define DISALLOW_ASSIGN(TypeName) \
   void operator=(const TypeName&) = delete
 
+#if defined(OS_LINUX)
+// A macro to disallow the copy constructor and operator= functions.
+#define DISALLOW_COPY_AND_ASSIGN(TypeName) \
+  TypeName(const TypeName&) = delete;      \
+  void operator=(const TypeName&) = delete
+#else
 // A macro to disallow the copy constructor and operator= functions
 // This should be used in the private: declarations for a class
 #define DISALLOW_COPY_AND_ASSIGN(TypeName) \
   TypeName(const TypeName&);               \
   void operator=(const TypeName&)
+#endif
 
 // A macro to disallow all the implicit constructors, namely the
 // default constructor, copy constructor and operator= functions.
-//
-// This should be used in the private: declarations for a class
-// that wants to prevent anyone from instantiating it. This is
-// especially useful for classes containing only static methods.
 #define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \
   TypeName() = delete;                           \
   DISALLOW_COPY_AND_ASSIGN(TypeName)