[Extensions API] Remove inline enums

extensions/browser/api/runtime/runtime_api.h

 // Copyright 2014 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 EXTENSIONS_BROWSER_API_RUNTIME_RUNTIME_API_H_
 #define EXTENSIONS_BROWSER_API_RUNTIME_RUNTIME_API_H_
 
 #include <string>
 
 #include "base/scoped_observer.h"
@@ skipping 124 matching lines @@
       const base::DictionaryValue* manifest);
 
   // Dispatches the onBrowserUpdateAvailable event to all extensions.
   static void DispatchOnBrowserUpdateAvailableEvent(
       content::BrowserContext* context);
 
   // Dispatches the onRestartRequired event to the given app.
   static void DispatchOnRestartRequiredEvent(
       content::BrowserContext* context,
       const std::string& app_id,
-      core_api::runtime::OnRestartRequired::Reason reason);
+      core_api::runtime::OnRestartRequiredReason reason);
 
   // Does any work needed at extension uninstall (e.g. load uninstall url).
   static void OnExtensionUninstalled(content::BrowserContext* context,
                                      const std::string& extension_id,
                                      UninstallReason reason);
 };
 
 class RuntimeGetBackgroundPageFunction : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("runtime.getBackgroundPage",
@@ skipping 73 matching lines @@
                              RUNTIME_GETPACKAGEDIRECTORYENTRY)
 
  protected:
   ~RuntimeGetPackageDirectoryEntryFunction() override {}
   ResponseAction Run() override;
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_RUNTIME_RUNTIME_API_H_