[Extensions] Make chrome://extensions use developerPrivate for unpacked loading

chrome/browser/ui/webui/extensions/extension_loader_handler.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 CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_LOADER_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_LOADER_HANDLER_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 27 matching lines @@
   explicit ExtensionLoaderHandler(Profile* profile);
   ~ExtensionLoaderHandler() override;
 
   // Fetches the localized values for the page and deposits them into |source|.
   void GetLocalizedValues(content::WebUIDataSource* source);
 
   // WebUIMessageHandler implementation.
   void RegisterMessages() override;
 
  private:
-  class FileHelper;
-
-  // Handle the 'extensionLoaderLoadUnpacked' message.
-  void HandleLoadUnpacked(const base::ListValue* args);
-
   // Handle the 'extensionLoaderRetry' message.
   void HandleRetry(const base::ListValue* args);
 
   // Handle the 'extensionLoaderIgnoreFailure' message.
   void HandleIgnoreFailure(const base::ListValue* args);
 
   // Handle the 'extensionLoaderDisplayFailures' message.
   void HandleDisplayFailures(const base::ListValue* args);
 
   // Try to load an unpacked extension from the given |file_path|.
-  void LoadUnpackedExtensionImpl(const base::FilePath& file_path);
+  void LoadUnpackedExtension(const base::FilePath& file_path);
 
   // ExtensionErrorReporter::Observer:
   void OnLoadFailure(content::BrowserContext* browser_context,
                      const base::FilePath& file_path,
                      const std::string& error) override;
 
   // content::WebContentsObserver:
   void DidStartNavigationToPendingEntry(
       const GURL& url,
       content::NavigationController::ReloadType reload_type) override;
 
   // Add a failure to |failures_|. If it was a manifest error, |manifest| will
   // hold the manifest contents, and |line_number| will point to the line at
   // which the error was found.
   void AddFailure(const base::FilePath& file_path,
                   const std::string& error,
                   size_t line_number,
                   const std::string& manifest);
 
   // Notify the frontend of all failures.
   void NotifyFrontendOfFailure();
 
   // The profile with which this Handler is associated.
   Profile* profile_;
 
-  // A helper to manage file picking.
-  scoped_ptr<FileHelper> file_helper_;
-
   // Holds information about all unpacked extension install failures that
   // were reported while the extensions page was loading.
   base::ListValue failures_;
 
   // Holds failed paths for load retries.
   std::vector<base::FilePath> failed_paths_;
 
   ScopedObserver<ExtensionErrorReporter, ExtensionErrorReporter::Observer>
       extension_error_reporter_observer_;
 
   // Set when the chrome://extensions page is fully loaded and the frontend is
   // ready to receive failure notifications. We need this because the page
   // fails to display failures if they are sent before the Javascript is loaded.
   bool ui_ready_;
 
   // Weak pointer factory for posting background tasks.
   base::WeakPtrFactory<ExtensionLoaderHandler> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionLoaderHandler);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_UI_WEBUI_EXTENSIONS_EXTENSION_LOADER_HANDLER_H_