extensions/browser/process_manager_observer.h

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef EXTENSIONS_BROWSER_PROCESS_MANAGER_OBSERVER_H_
   6 #define EXTENSIONS_BROWSER_PROCESS_MANAGER_OBSERVER_H_
   7
   8 #include <string>
   9
  10 namespace extensions {
  11 class Extension;
  12
  13 class ProcessManagerObserver {
  14  public:
  15   // Called immediately after an extension background host is started.
  16   virtual void OnBackgroundHostStartup(const Extension* extension) {}
  17
  18   // Called immediately after an ExtensionHost for an extension with a lazy
  19   // background page is created.
  20   virtual void OnBackgroundHostCreated(ExtensionHost* host) {}
  21
  22   // Called immediately after the extension background host is destroyed.
  23   virtual void OnBackgroundHostClose(const std::string& extension_id) {}
  24 };
  25
  26 }  // namespace extensions
  27
  28 #endif  // EXTENSIONS_BROWSER_PROCESS_MANAGER_OBSERVER_H_