Handle termination/crashes of an extension hosted in the ExtensionDialog.

chrome/browser/extensions/component_loader.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_EXTENSIONS_COMPONENT_LOADER_H_
 #define CHROME_BROWSER_EXTENSIONS_COMPONENT_LOADER_H_
 #pragma once
 
 #include <string>
 
@@ skipping 60 matching lines @@
 
   static void RegisterUserPrefs(PrefService* prefs);
 
   // Parse the given JSON manifest. Returns NULL if it cannot be parsed, or if
   // if the result is not a DictionaryValue.
   DictionaryValue* ParseManifest(const std::string& manifest_contents) const;
 
   // Clear the list of registered extensions.
   void ClearAllRegistered();
 
+  // Reloads a registered component extension.
+  void Reload(const std::string& extension_id);
+
  private:
   // Information about a registered component extension.
   struct ComponentExtensionInfo {
     ComponentExtensionInfo(const DictionaryValue* manifest,
                            const FilePath& root_directory)
         : manifest(manifest),
           root_directory(root_directory) {
     }
 
     // The parsed contents of the extensions's manifest file.
@@ skipping 28 matching lines @@
   // List of registered component extensions (see Extension::Location).
   typedef std::vector<ComponentExtensionInfo> RegisteredComponentExtensions;
   RegisteredComponentExtensions component_extensions_;
 
   PrefChangeRegistrar pref_change_registrar_;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_COMPONENT_LOADER_H_