Group renderer processes by privilige when we hit the max process count....

chrome/browser/tab_contents/site_instance.h

 // Copyright (c) 2006-2008 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.
 
 #ifndef CHROME_BROWSER_TAB_CONTENTS_SITE_INSTANCE_H_
 #define CHROME_BROWSER_TAB_CONTENTS_SITE_INSTANCE_H_
 
 #include "chrome/browser/browsing_instance.h"
 #include "chrome/browser/renderer_host/render_process_host.h"
 #include "chrome/common/notification_registrar.h"
@@ skipping 120 matching lines @@
   static bool IsSameWebSite(const GURL& url1, const GURL& url2);
 
  protected:
   friend class BrowsingInstance;
 
   // Create a new SiteInstance.  Protected to give access to BrowsingInstance
   // and tests; most callers should use CreateSiteInstance or
   // GetRelatedSiteInstance instead.
   SiteInstance(BrowsingInstance* browsing_instance);
 
+  // Returns the type of renderer process this instance belongs in, for grouping
+  // purposes.
+  RenderProcessHost::Type GetRendererType();
+
  private:
   // NotificationObserver implementation.
   void Observe(NotificationType type,
                const NotificationSource& source,
                const NotificationDetails& details);
 
   NotificationRegistrar registrar_;
 
   // BrowsingInstance to which this SiteInstance belongs.
   scoped_refptr<BrowsingInstance> browsing_instance_;
@@ skipping 16 matching lines @@
   // The web site that this SiteInstance is rendering pages for.
   GURL site_;
 
   // Whether SetSite has been called.
   bool has_site_;
 
   DISALLOW_EVIL_CONSTRUCTORS(SiteInstance);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_SITE_INSTANCE_H_