|  | // 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_tab_helper.h" | 
|  |  | 
|  | #include "chrome/browser/profiles/profile.h" | 
|  | #include "chrome/browser/sessions/session_service.h" | 
|  | #include "chrome/browser/sessions/session_service_factory.h" | 
|  | #include "chrome/browser/ui/tab_contents/tab_contents.h" | 
|  | #include "chrome/common/chrome_notification_types.h" | 
|  | #include "chrome/common/extensions/extension_messages.h" | 
|  | #include "content/public/browser/notification_service.h" | 
|  | #include "content/public/browser/render_view_host.h" | 
|  | #include "content/public/browser/web_contents.h" | 
|  |  | 
|  | int SessionTabHelper::kUserDataKey; | 
|  |  | 
|  | SessionTabHelper::SessionTabHelper(content::WebContents* contents) | 
|  | : content::WebContentsObserver(contents) { | 
|  | } | 
|  |  | 
|  | SessionTabHelper::~SessionTabHelper() { | 
|  | } | 
|  |  | 
|  | void SessionTabHelper::SetWindowID(const SessionID& id) { | 
|  | window_id_ = id; | 
|  |  | 
|  | // Extension code in the renderer holds the ID of the window that hosts it. | 
|  | // Notify it that the window ID changed. | 
|  | web_contents()->GetRenderViewHost()->Send( | 
|  | new ExtensionMsg_UpdateBrowserWindowId( | 
|  | web_contents()->GetRenderViewHost()->GetRoutingID(), id.id())); | 
|  | } | 
|  |  | 
|  | void SessionTabHelper::RenderViewCreated( | 
|  | content::RenderViewHost* render_view_host) { | 
|  | render_view_host->Send( | 
|  | new ExtensionMsg_UpdateBrowserWindowId(render_view_host->GetRoutingID(), | 
|  | window_id_.id())); | 
|  | } | 
|  |  | 
|  | void SessionTabHelper::UserAgentOverrideSet(const std::string& user_agent) { | 
|  | #if defined(ENABLE_SESSION_SERVICE) | 
|  | Profile* profile = | 
|  | Profile::FromBrowserContext(web_contents()->GetBrowserContext()); | 
|  | SessionService* session = SessionServiceFactory::GetForProfile(profile); | 
|  | if (session) | 
|  | session->SetTabUserAgentOverride(window_id(), session_id(), user_agent); | 
|  | #endif | 
|  | } |