Do not leak a DictionaryValue from SessionsRestoreFunction::SetResultRestoredTab.

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

Index: chrome/browser/extensions/api/sessions/sessions_api.cc
diff --git a/chrome/browser/extensions/api/sessions/sessions_api.cc b/chrome/browser/extensions/api/sessions/sessions_api.cc
index 013afa32fa8293696faddcef4548cb7c5aa79643..d2e68cffdf1f3cfcfd0f9485a931a8960443c0e2 100644
--- a/chrome/browser/extensions/api/sessions/sessions_api.cc
+++ b/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(),