Do not leak a DictionaryValue from SessionsRestoreFunction::SetResultRestoredTab.

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

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/api/sessions/sessions_api.h"
 
 #include <vector>
 
 #include "base/i18n/rtl.h"
 #include "base/lazy_instance.h"
@@ skipping 375 matching lines @@
   return true;
 }
 
 void SessionsRestoreFunction::SetInvalidIdError(const std::string& invalid_id) {
   SetError(ErrorUtils::FormatErrorMessage(kInvalidSessionIdError, 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(),
       scoped_ptr<windows::Window>()));
   results_ = Restore::Results::Create(*restored_session);
 }
 
 bool SessionsRestoreFunction::SetResultRestoredWindow(int window_id) {
     WindowController* controller = NULL;
   if (!windows_util::GetWindowFromWindowID(this, window_id, &controller)) {
@@ skipping 174 matching lines @@
 static base::LazyInstance<ProfileKeyedAPIFactory<SessionsAPI> >
     g_factory = LAZY_INSTANCE_INITIALIZER;
 
 // static
 ProfileKeyedAPIFactory<SessionsAPI>*
     SessionsAPI::GetFactoryInstance() {
   return &g_factory.Get();
 }
 
 }  // namespace extensions