Preserve Page::openedByDOM state across process swaps.

content/browser/web_contents/web_contents_impl.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_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 877 matching lines @@
   // A list of observers notified when page state changes. Weak references.
   // This MUST be listed above frame_tree_ since at destruction time the
   // latter might cause RenderViewHost's destructor to call us and we might use
   // the observer list then.
   ObserverList<WebContentsObserver> observers_;
 
   // The tab that opened this tab, if any.  Will be set to null if the opener
   // is closed.
   WebContentsImpl* opener_;
 
+  // True if this tab was opened by another tab. This is not unset if the opener
+  // is closed.
+  bool created_with_opener_;
+
 #if defined(OS_WIN)
   gfx::NativeViewAccessible accessible_parent_;
 #endif
 
   // Helper classes ------------------------------------------------------------
 
   // Maps the RenderViewHost to its media_player_cookie and PowerSaveBlocker
   // pairs. Key is the RenderViewHost, value is the map which maps player_cookie
   // on to PowerSaveBlocker.
   typedef std::map<RenderViewHost*, std::map<int64, PowerSaveBlocker*> >
@@ skipping 179 matching lines @@
 
   // Whether the last JavaScript dialog shown was suppressed. Used for testing.
   bool last_dialog_suppressed_;
 
   DISALLOW_COPY_AND_ASSIGN(WebContentsImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_WEB_CONTENTS_IMPL_H_