Files.app: Add an private API to get a download URL

google_apis/drive/drive_common_callbacks.h

 // Copyright 2013 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.
 //
 // This file contains callback types used for communicating with the Drive
 // server via WAPI (Documents List API) and Drive API.
 
 #ifndef GOOGLE_APIS_DRIVE_DRIVE_COMMON_CALLBACKS_H_
 #define GOOGLE_APIS_DRIVE_DRIVE_COMMON_CALLBACKS_H_
 
@@ skipping 14 matching lines @@
 // Callback used for getting ResourceEntry.
 typedef base::Callback<void(GDataErrorCode error,
                             scoped_ptr<ResourceEntry> entry)>
     GetResourceEntryCallback;
 
 // Callback used for getting AboutResource.
 typedef base::Callback<void(GDataErrorCode error,
                             scoped_ptr<AboutResource> about_resource)>
     AboutResourceCallback;
 
-// Callback used for getting ShareUrl.
-typedef base::Callback<void(GDataErrorCode error,
-                            const GURL& share_url)> GetShareUrlCallback;
+// Callback used for methods getting an url.
+typedef base::Callback<void(GDataErrorCode error, const GURL& url)>
+    GetUrlCallback;
 
 // Callback used for getting AppList.
 typedef base::Callback<void(GDataErrorCode error,
                             scoped_ptr<AppList> app_list)> AppListCallback;
 
 // Callback used for authorizing an app. |open_url| is used to open the target
 // file with the authorized app.
 typedef base::Callback<void(GDataErrorCode error,
                             const GURL& open_url)>
     AuthorizeAppCallback;
 
 // Closure for canceling a certain request. Each request-issuing method returns
 // this type of closure. If it is called during the request is in-flight, the
 // callback passed with the request is invoked with GDATA_CANCELLED. If the
 // request is already finished, nothing happens.
 typedef base::Closure CancelCallback;
 
 }  // namespace google_apis
 
 #endif  // GOOGLE_APIS_DRIVE_DRIVE_COMMON_CALLBACKS_H_