Convert //extensions/{common,shell} from scoped_ptr to std::unique_ptr

extensions/common/message_bundle_unittest.cc

Index: extensions/common/message_bundle_unittest.cc
diff --git a/extensions/common/message_bundle_unittest.cc b/extensions/common/message_bundle_unittest.cc
index f80473bfcdb795b679f02948857c438f8323438e..45bd0e115424ec050a72efb97adb3adf7784404d 100644
--- a/extensions/common/message_bundle_unittest.cc
+++ b/extensions/common/message_bundle_unittest.cc
@@ -6,13 +6,13 @@
 
 #include <stddef.h>
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/i18n/rtl.h"
 #include "base/macros.h"
 #include "base/memory/linked_ptr.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
@@ -160,7 +160,7 @@ class MessageBundleTest : public testing::Test {
     handler_->dictionary_.clear();
   }
 
-  scoped_ptr<MessageBundle> handler_;
+  std::unique_ptr<MessageBundle> handler_;
   std::vector<linked_ptr<base::DictionaryValue> > catalogs_;
 };