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

chrome/browser/extensions/extension_service.cc

 // 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.
 
 #include "chrome/browser/extensions/extension_service.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/basictypes.h"
@@ skipping 698 matching lines @@
         orphaned_dev_tools_[extension_id] = devtools_cookie;
     }
 
     path = current_extension->path();
     DisableExtension(extension_id);
     disabled_extension_paths_[extension_id] = path;
   } else {
     path = unloaded_extension_paths_[extension_id];
   }
 
+  // If we're reloading a component extension, use the component extension
+  // loader's reloader.
+  if (component_loader_->Exists(extension_id)) {
+    component_loader_->Reload(extension_id);
+    return;
+  }
+
   // Check the installed extensions to see if what we're reloading was already
   // installed.
   scoped_ptr<ExtensionInfo> installed_extension(
       extension_prefs_->GetInstalledExtensionInfo(extension_id));
   if (installed_extension.get() &&
       installed_extension->extension_manifest.get()) {
     extensions::InstalledLoader(this).Load(*installed_extension, false);
   } else {
     // Otherwise, the extension is unpacked (location LOAD).
     // We should always be able to remember the extension's path. If it's not in
@@ skipping 1963 matching lines @@
   //
   // To coexist with certain unit tests that don't have an IO thread message
   // loop available at ExtensionService shutdown, we lazy-initialize this
   // object so that those cases neither create nor destroy a SocketController.
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   if (!socket_controller_) {
     socket_controller_ = new extensions::SocketController();
   }
   return socket_controller_;
 }