Restart running apps when chrome restarts.

chrome/browser/extensions/extension_prefs.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 CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_
 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_
 
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 271 matching lines @@
   // Removes a filter from an event.
   void RemoveFilterFromEvent(const std::string& event_name,
                              const std::string& extension_id,
                              const DictionaryValue* filter);
 
   // Returns the dictionary of event filters that the given extension has
   // registered.
   const DictionaryValue* GetFilteredEvents(
       const std::string& extension_id) const;
 
+  // Records whether or not this extension is currently running.
+  void SetExtensionRunning(const std::string& extension_id, bool is_running);
+
+  // Returns whether or not this extension is marked as running. This is used to
+  // restart apps across browser restarts.
+  bool IsExtensionRunning(const std::string& extension_id);
+
   // Controls the omnibox default suggestion as set by the extension.
   ExtensionOmniboxSuggestion GetOmniboxDefaultSuggestion(
       const std::string& extension_id);
   void SetOmniboxDefaultSuggestion(
       const std::string& extension_id,
       const ExtensionOmniboxSuggestion& suggestion);
 
   // Returns true if the user enabled this extension to be loaded in incognito
   // mode.
   bool IsIncognitoEnabled(const std::string& extension_id);
@@ skipping 263 matching lines @@
   scoped_ptr<ExtensionSorting> extension_sorting_;
 
   scoped_refptr<ContentSettingsStore> content_settings_store_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionPrefs);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_PREFS_H_