Convert //base to use std::unique_ptr

base/test/gtest_util.cc

Index: base/test/gtest_util.cc
diff --git a/base/test/gtest_util.cc b/base/test/gtest_util.cc
index 8ad54364dd9e2b35a1574f331c644d36d5eb39b7..b0623432badd05ad3f50f4b5384589ed393a1aa5 100644
--- a/base/test/gtest_util.cc
+++ b/base/test/gtest_util.cc
@@ -64,7 +64,7 @@ bool ReadTestNamesFromFile(const FilePath& path,
   JSONFileValueDeserializer deserializer(path);
   int error_code = 0;
   std::string error_message;
-  scoped_ptr<base::Value> value =
+  std::unique_ptr<base::Value> value =
       deserializer.Deserialize(&error_code, &error_message);
   if (!value.get())
     return false;