tab_util.cc revision ca12bfac764ba476d6cd062bf1dde12cc64c3f40
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/tab_contents/tab_util.h" 6 7#include "chrome/browser/extensions/extension_service.h" 8#include "chrome/browser/profiles/profile.h" 9#include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h" 10#include "chrome/common/chrome_switches.h" 11#include "content/public/browser/render_view_host.h" 12#include "content/public/browser/site_instance.h" 13#include "content/public/browser/web_contents.h" 14#include "url/gurl.h" 15 16using content::RenderViewHost; 17using content::SiteInstance; 18using content::WebContents; 19 20namespace tab_util { 21 22content::WebContents* GetWebContentsByID(int render_process_id, 23 int render_view_id) { 24 RenderViewHost* render_view_host = 25 RenderViewHost::FromID(render_process_id, render_view_id); 26 if (!render_view_host) 27 return NULL; 28 29 return WebContents::FromRenderViewHost(render_view_host); 30} 31 32SiteInstance* GetSiteInstanceForNewTab(Profile* profile, 33 const GURL& url) { 34 // If url is a WebUI or extension, we need to be sure to use the right type 35 // of renderer process up front. Otherwise, we create a normal SiteInstance 36 // as part of creating the tab. 37 ExtensionService* service = profile->GetExtensionService(); 38 if (ChromeWebUIControllerFactory::GetInstance()->UseWebUIForURL( 39 profile, url) || 40 (service && 41 service->extensions()->GetHostedAppByURL(url))) { 42 return SiteInstance::CreateForURL(profile, url); 43 } 44 45 // We used to share the SiteInstance for same-site links opened in new tabs, 46 // to leverage the in-memory cache and reduce process creation. It now 47 // appears that it is more useful to have such links open in a new process. 48 return NULL; 49} 50 51} // namespace tab_util 52