app_mode: Add runtime.onRestartRequired event.

chrome/browser/extensions/api/runtime/runtime_api.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_API_RUNTIME_RUNTIME_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_RUNTIME_RUNTIME_API_H_
 
+#include <string>
+
 #include "chrome/browser/extensions/extension_function.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 
 class Profile;
 
 namespace base {
 class Version;
 }
 
 namespace extensions {
 class Extension;
 class ExtensionHost;
 
 class RuntimeEventRouter {
  public:
+  enum RestartReason {
+    RESTART_REASON_APP_UPDATE,
+    RESTART_REASON_OS_UPDATE,
+    RESTART_REASON_PERIODIC,
+  };
+
   // Dispatches the onStartup event to all currently-loaded extensions.
   static void DispatchOnStartupEvent(Profile* profile,
                                      const std::string& extension_id);
 
   // Dispatches the onInstalled event to the given extension.
   static void DispatchOnInstalledEvent(Profile* profile,
                                        const std::string& extension_id,
                                        const base::Version& old_version,
                                        bool chrome_updated);
 
   // Dispatches the onUpdateAvailable event to the given extension.
   static void DispatchOnUpdateAvailableEvent(
       Profile* profile,
       const std::string& extension_id,
       const base::DictionaryValue* manifest);
 
   // Dispatches the onBrowserUpdateAvailable event to all extensions.
   static void DispatchOnBrowserUpdateAvailableEvent(Profile* profile);
 
+  // Dispatches the onRestartRequired event to the given app.
+  static void DispatchOnRestartRequiredEvent(Profile* profile,
+                                             const std::string& app_id,
+                                             RestartReason reason);
+
   // Does any work needed at extension uninstall (e.g. load uninstall url).
   static void OnExtensionUninstalled(Profile* profile,
                                      const std::string& extension_id);
 };
 
 class RuntimeGetBackgroundPageFunction : public AsyncExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("runtime.getBackgroundPage",
                              RUNTIME_GETBACKGROUNDPAGE)
 
@@ skipping 52 matching lines @@
   DECLARE_EXTENSION_FUNCTION("runtime.getPlatformInfo",
                              RUNTIME_GETPLATFORMINFO);
  protected:
   virtual ~RuntimeGetPlatformInfoFunction() {}
   virtual bool RunImpl() OVERRIDE;
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_RUNTIME_RUNTIME_API_H_