Convert //sandbox to use std::unique_ptr

sandbox/mac/os_compatibility.cc

Index: sandbox/mac/os_compatibility.cc
diff --git a/sandbox/mac/os_compatibility.cc b/sandbox/mac/os_compatibility.cc
index 1ec0e3afa8493bd1d79ec3b416ed3b4d95f35a5a..538efef9b90ac52f09a701c66fb6dda17b6acae1 100644
--- a/sandbox/mac/os_compatibility.cc
+++ b/sandbox/mac/os_compatibility.cc
@@ -11,6 +11,7 @@
 
 #include "base/logging.h"
 #include "base/mac/mac_util.h"
+#include "base/memory/ptr_util.h"
 #include "sandbox/mac/xpc.h"
 
 namespace sandbox {
@@ -179,11 +180,11 @@ class OSCompatibility_10_10 : public OSCompatibility {
 }  // namespace
 
 // static
-scoped_ptr<OSCompatibility> OSCompatibility::CreateForPlatform() {
+std::unique_ptr<OSCompatibility> OSCompatibility::CreateForPlatform() {
   if (base::mac::IsOSLionOrLater() && base::mac::IsOSMavericksOrEarlier())
-    return make_scoped_ptr(new OSCompatibility_10_7());
+    return base::WrapUnique(new OSCompatibility_10_7());
   else
-    return make_scoped_ptr(new OSCompatibility_10_10());
+    return base::WrapUnique(new OSCompatibility_10_10());
 }
 
 OSCompatibility::~OSCompatibility() {}