[Extensions] Make chrome://extensions use developerPrivate for packing crxs

chrome/browser/extensions/api/developer_private/developer_private_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_DEVELOPER_PRIVATE_DEVELOPER_PRIVATE_API_H_
 #define CHROME_BROWSER_EXTENSIONS_API_DEVELOPER_PRIVATE_DEVELOPER_PRIVATE_API_H_
 
 #include <set>
 
 #include "base/files/file.h"
@@ skipping 278 matching lines @@
   bool RunSync() override;
 
   // Overridden from ExtensionInstallPrompt::Delegate
   void InstallUIProceed() override;
   void InstallUIAbort(bool user_initiated) override;
 
   scoped_ptr<ExtensionInstallPrompt> prompt_;
   std::string extension_id_;
 };
 
-class DeveloperPrivateChooseEntryFunction : public ChromeAsyncExtensionFunction,
+class DeveloperPrivateChooseEntryFunction : public UIThreadExtensionFunction,
                                             public EntryPickerClient {
  protected:
   ~DeveloperPrivateChooseEntryFunction() override;
-  bool RunAsync() override;
   bool ShowPicker(ui::SelectFileDialog::Type picker_type,
-                  const base::FilePath& last_directory,
                   const base::string16& select_title,
                   const ui::SelectFileDialog::FileTypeInfo& info,
                   int file_type_index);
-
-  // EntryPickerClient functions.
-  void FileSelected(const base::FilePath& path) override = 0;
-  void FileSelectionCanceled() override = 0;
 };
 
 
 class DeveloperPrivateLoadUnpackedFunction
     : public DeveloperPrivateChooseEntryFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("developerPrivate.loadUnpacked",
                              DEVELOPERPRIVATE_LOADUNPACKED);
 
  protected:
   ~DeveloperPrivateLoadUnpackedFunction() override;
-  bool RunAsync() override;
+  ResponseAction Run() override;
 
-  // EntryPickerCLient implementation.
+  // EntryPickerClient:
   void FileSelected(const base::FilePath& path) override;
   void FileSelectionCanceled() override;
 };
 
 class DeveloperPrivateChoosePathFunction
     : public DeveloperPrivateChooseEntryFunction {
  public:
   DECLARE_EXTENSION_FUNCTION("developerPrivate.choosePath",
                              DEVELOPERPRIVATE_CHOOSEPATH);
 
  protected:
   ~DeveloperPrivateChoosePathFunction() override;
-  bool RunAsync() override;
+  ResponseAction Run() override;
 
-  // EntryPickerClient functions.
+  // EntryPickerClient:
   void FileSelected(const base::FilePath& path) override;
   void FileSelectionCanceled() override;
 };
 
 class DeveloperPrivatePackDirectoryFunction
-    : public ChromeAsyncExtensionFunction,
+    : public DeveloperPrivateAPIFunction,
       public PackExtensionJob::Client {
 
  public:
   DECLARE_EXTENSION_FUNCTION("developerPrivate.packDirectory",
                              DEVELOPERPRIVATE_PACKDIRECTORY);
 
   DeveloperPrivatePackDirectoryFunction();
 
   // ExtensionPackJob::Client implementation.
   void OnPackSuccess(const base::FilePath& crx_file,
                      const base::FilePath& key_file) override;
   void OnPackFailure(const std::string& error,
                      ExtensionCreator::ErrorType error_type) override;
 
  protected:
   ~DeveloperPrivatePackDirectoryFunction() override;
-  bool RunAsync() override;
+  ResponseAction Run() override;
 
  private:
   scoped_refptr<PackExtensionJob> pack_job_;
   std::string item_path_str_;
   std::string key_path_str_;
 };
 
 class DeveloperPrivateIsProfileManagedFunction
     : public ChromeSyncExtensionFunction {
  public:
@@ skipping 94 matching lines @@
 
   // ExtensionFunction:
   bool RunAsync() override;
 };
 
 }  // namespace api
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_DEVELOPER_PRIVATE_DEVELOPER_PRIVATE_API_H_