Show OOM notification bar in all tabs sharing same render process

chrome/browser/tab_contents/tab_contents.h

 // Copyright (c) 2011 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_TAB_CONTENTS_H_
 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 1328 matching lines @@
   // A list of observers notified when page state changes. Weak references.
   ObserverList<WebNavigationObserver> web_navigation_observers_;
 
   // Content restrictions, used to disable print/copy etc based on content's
   // (full-page plugins for now only) permissions.
   int content_restrictions_;
 
   // All the IPC message filters for this render view.
   std::vector<IPC::Channel::Listener*> message_filters_;
 
+  // Whether the render process ran out of memory.
+  bool render_process_ran_out_of_memory_;
+
   DISALLOW_COPY_AND_ASSIGN(TabContents);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_