[Extensions] Migrate ExtensionInstallPrompt::Delegate to be a callback

extensions/browser/api/management/management_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 EXTENSIONS_BROWSER_API_MANAGEMENT_MANAGEMENT_API_H_
 #define EXTENSIONS_BROWSER_API_MANAGEMENT_MANAGEMENT_API_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/scoped_observer.h"
@@ skipping 96 matching lines @@
   // ExtensionFunction:
   bool RunSync() override;
 };
 
 class ManagementSetEnabledFunction : public UIThreadExtensionFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("management.setEnabled", MANAGEMENT_SETENABLED)
 
   ManagementSetEnabledFunction();
 
-  void InstallUIProceed();
-  void InstallUIAbort(bool user_initiated);
-
  protected:
   ~ManagementSetEnabledFunction() override;
 
   // ExtensionFunction:
   ResponseAction Run() override;
 
  private:
+  void OnInstallPromptDone(bool did_accept);
+
   void OnRequirementsChecked(const std::vector<std::string>& requirements);
 
   std::string extension_id_;
 
   scoped_ptr<InstallPromptDelegate> install_prompt_;
 
   scoped_ptr<RequirementsChecker> requirements_checker_;
 };
 
 class ManagementUninstallFunctionBase : public UIThreadExtensionFunction {
@@ skipping 152 matching lines @@
   scoped_ptr<ManagementEventRouter> management_event_router_;
 
   scoped_ptr<ManagementAPIDelegate> delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(ManagementAPI);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_MANAGEMENT_MANAGEMENT_API_H_