Top document isolation mode prototype

content/browser/browsing_instance.h

 // 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.
 
 #ifndef CONTENT_BROWSER_BROWSING_INSTANCE_H_
 #define CONTENT_BROWSER_BROWSING_INSTANCE_H_
 
 #include <stddef.h>
 
 #include "base/containers/hash_tables.h"
@@ skipping 90 matching lines @@
 
  private:
   // Map of site to SiteInstance, to ensure we only have one SiteInstance per
   // site.
   typedef base::hash_map<std::string, SiteInstance*> SiteInstanceMap;
 
   // Common browser context to which all SiteInstances in this BrowsingInstance
   // must belong.
   BrowserContext* const browser_context_;
 
+  // TODO(xiaochengh): Say something...
+  SiteInstance* GetDoghouseSiteInstance() const;
+
   // Map of site to SiteInstance, to ensure we only have one SiteInstance per
   // site.  The site string should be the possibly_invalid_spec() of a GURL
   // obtained with SiteInstanceImpl::GetSiteForURL.  Note that this map may not
   // contain every active SiteInstance, because a race exists where two
   // SiteInstances can be assigned to the same site.  This is ok in rare cases.
   // It also does not contain SiteInstances which have not yet been assigned a
   // site, such as about:blank.  See NavigatorImpl::ShouldAssignSiteForURL.
   SiteInstanceMap site_instance_map_;
 
   // Number of WebContentses currently using this BrowsingInstance.
   size_t active_contents_count_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowsingInstance);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_BROWSING_INSTANCE_H_