Return webcontents and add in test.

chrome/browser/sessions/session_restore_android.cc

 // Copyright (c) 2012 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/sessions/session_restore.h"
 
+#include <vector>
+
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/sessions/session_types.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/android/tab_model/tab_model.h"
 #include "chrome/browser/ui/android/tab_model/tab_model_list.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/web_contents.h"
 
 // The android implementation does not do anything "foreign session" specific.
 // We use it to restore tabs from "recently closed" too.
 // static
-void SessionRestore::RestoreForeignSessionTab(
+content::WebContents* SessionRestore::RestoreForeignSessionTab(
     content::WebContents* web_contents,
     const SessionTab& session_tab,
     WindowOpenDisposition disposition) {
   DCHECK(session_tab.navigations.size() > 0);
   content::BrowserContext* context = web_contents->GetBrowserContext();
   Profile* profile = Profile::FromBrowserContext(context);
   TabModel* tab_model = TabModelList::GetTabModelWithProfile(profile);
   DCHECK(tab_model);
   std::vector<content::NavigationEntry*> entries =
       sessions::SerializedNavigationEntry::ToNavigationEntries(
           session_tab.navigations, profile);
   content::WebContents* new_web_contents = content::WebContents::Create(
       content::WebContents::CreateParams(context));
   int selected_index = session_tab.normalized_navigation_index();
   new_web_contents->GetController().Restore(
       selected_index,
       content::NavigationController::RESTORE_LAST_SESSION_EXITED_CLEANLY,
       &entries);
   tab_model->CreateTab(new_web_contents);
+  return new_web_contents;
 }
 
 // static
-void SessionRestore::RestoreForeignSessionWindows(
+std::vector<Browser*> SessionRestore::RestoreForeignSessionWindows(
     Profile* profile,
     chrome::HostDesktopType host_desktop_type,
     std::vector<const SessionWindow*>::const_iterator begin,
     std::vector<const SessionWindow*>::const_iterator end) {
   NOTREACHED();
+  return std::vector<Browser*>();
 }