Revert of Implement DriveAppRegistry::UninstallApp() and GetAppList().

chrome/browser/drive/drive_app_registry.h

Index: chrome/browser/drive/drive_app_registry.h
diff --git a/chrome/browser/drive/drive_app_registry.h b/chrome/browser/drive/drive_app_registry.h
index 022ac3bf645702ca42068f455fcc8de5830d0d1c..cb15dc12050b1ca81600c9746c06eb1f3ba9b2c3 100644
--- a/chrome/browser/drive/drive_app_registry.h
+++ b/chrome/browser/drive/drive_app_registry.h
@@ -51,9 +51,6 @@
   GURL create_url;
 };
 
-// Callback type for UninstallApp().
-typedef base::Callback<void(google_apis::GDataErrorCode)> UninstallCallback;
-
 // Keeps the track of installed drive applications in-memory.
 class DriveAppRegistry {
  public:
@@ -66,19 +63,6 @@
                       const std::string& mime_type,
                       std::vector<DriveAppInfo>* apps) const;
 
-  // Returns the list of all Drive apps installed.
-  void GetAppList(std::vector<DriveAppInfo>* apps) const;
-
-  // Uninstalls the app specified by |app_id|. This method sends requests to the
-  // remote server, and returns the result to |callback| asynchronously.
-  // |callback| must not be null.
-  void UninstallApp(const std::string& app_id,
-                    const UninstallCallback& callback);
-
-  // Checks whether UinstallApp is supported. The feature is available only for
-  // clients with whitelisted API keys (like Official Google Chrome build).
-  static bool IsAppUninstallSupported();
-
   // Updates this registry by fetching the data from the server.
   void Update();
 
@@ -90,11 +74,6 @@
   // data from the server.
   void UpdateAfterGetAppList(google_apis::GDataErrorCode gdata_error,
                              scoped_ptr<google_apis::AppList> app_list);
-
-  // Part of UninstallApp(). Receives the response from the server.
-  void OnAppUninstalled(const std::string& app_id,
-                        const UninstallCallback& callback,
-                        google_apis::GDataErrorCode error);
 
   // Map of application id to each app's info.
   std::map<std::string, DriveAppInfo> all_apps_;