Do not leak a DictionaryValue from SessionsRestoreFunction::SetResultRestoredTab.

BUG=315046
TBR=kalman@chromium.org

Review URL: https://codereview.chromium.org/59743002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@233411 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/extensions/api/sessions/sessions_api.cc

@@ -393,8 +393,9 @@ void SessionsRestoreFunction::SetInvalidIdError(const std::string& invalid_id) {
 
 void SessionsRestoreFunction::SetResultRestoredTab(
     const content::WebContents* contents) {
-  scoped_ptr<tabs::Tab> tab(tabs::Tab::FromValue(
-      *ExtensionTabUtil::CreateTabValue(contents, GetExtension())));
+  scoped_ptr<DictionaryValue> tab_value(
+      ExtensionTabUtil::CreateTabValue(contents, GetExtension()));
+  scoped_ptr<tabs::Tab> tab(tabs::Tab::FromValue(*tab_value));
   scoped_ptr<api::sessions::Session> restored_session(CreateSessionModelHelper(
       base::Time::Now().ToTimeT(),
       tab.Pass(),