Fix a memory leak in chrome://version handler.

chrome/browser/ui/webui/version_handler.cc

Index: chrome/browser/ui/webui/version_handler.cc
===================================================================
--- chrome/browser/ui/webui/version_handler.cc	(revision 222257)
+++ chrome/browser/ui/webui/version_handler.cc	(working copy)
@@ -85,7 +85,6 @@
                      base::Owned(profile_path_buffer)));
 
   // Respond with the variations info immediately.
-  scoped_ptr<ListValue> variations_list(new ListValue());
   std::vector<std::string> variations;
 #if !defined(NDEBUG)
   base::FieldTrial::ActiveGroups active_groups;
@@ -108,14 +107,14 @@
     variations.push_back(UTF16ToASCII(active_groups[i]));
 #endif
 
+  ListValue variations_list;
   for (std::vector<std::string>::const_iterator it = variations.begin();
       it != variations.end(); ++it) {
-    variations_list->Append(Value::CreateStringValue(*it));
+    variations_list.Append(Value::CreateStringValue(*it));
   }
 
   // In release mode, this will return an empty list to clear the section.
-  web_ui()->CallJavascriptFunction("returnVariationInfo",
-                                   *variations_list.release());
+  web_ui()->CallJavascriptFunction("returnVariationInfo", variations_list);
 }
 
 void VersionHandler::OnGotFilePaths(string16* executable_path_data,