1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "chrome/browser/sessions/session_id.h" 6 7 #include "chrome/browser/sessions/session_tab_helper.h" 8 9 static SessionID::id_type next_id = 1; 10 SessionID()11SessionID::SessionID() { 12 id_ = next_id++; 13 } 14 IdForTab(const content::WebContents * tab)15SessionID::id_type SessionID::IdForTab(const content::WebContents* tab) { 16 const SessionTabHelper* session_tab_helper = 17 tab ? SessionTabHelper::FromWebContents(tab) : NULL; 18 return session_tab_helper ? session_tab_helper->session_id().id() : -1; 19 } 20 IdForWindowContainingTab(const content::WebContents * tab)21SessionID::id_type SessionID::IdForWindowContainingTab( 22 const content::WebContents* tab) { 23 const SessionTabHelper* session_tab_helper = 24 tab ? SessionTabHelper::FromWebContents(tab) : NULL; 25 return session_tab_helper ? session_tab_helper->window_id().id() : -1; 26 } 27