Change a Value pointer to a scoped_ptr to avoid memory leak. Fixes error

returned from memory bot.

Fix for https://chromiumcodereview.appspot.com/10555005

BUG=118280
TEST=Same test scenarios as in change 10555005.

Review URL: https://chromiumcodereview.appspot.com/10825059

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@148841 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/ui/sync/one_click_signin_helper.cc

@@ -268,9 +268,9 @@ bool OneClickSigninHelper::CanOffer(content::WebContents* web_contents,
       const ListValue* rejected_emails = profile->GetPrefs()->GetList(
           prefs::kReverseAutologinRejectedEmailList);
       if (!rejected_emails->empty()) {
-        const Value* email_value = Value::CreateStringValue(email);
+        const scoped_ptr<Value> email_value(Value::CreateStringValue(email));
         ListValue::const_iterator iter = rejected_emails->Find(
-                *email_value);
+            *email_value);
         if (iter != rejected_emails->end())
           return false;
       }