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

chrome/browser/chromeos/drive/file_system_interface.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_CHROMEOS_DRIVE_FILE_SYSTEM_INTERFACE_H_
 #define CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_INTERFACE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 94 matching lines @@
                             const base::FilePath& file_path,
                             const base::Closure& close_callback)>
     OpenFileCallback;
 
 // Used to get available space for the account from Drive.
 typedef base::Callback<void(FileError error,
                             int64 bytes_total,
                             int64 bytes_used)> GetAvailableSpaceCallback;
 
 // Used to get the url to the sharing dialog.
-typedef base::Callback<void(FileError error,
-                            const GURL& share_url)> GetShareUrlCallback;
+typedef base::Callback<void(FileError error, const GURL& share_url)>
+    GetUrlCallback;
 
 // Used to get filesystem metadata.
 typedef base::Callback<void(const FileSystemMetadata&)>
     GetFilesystemMetadataCallback;
 
 // Used to mark cached files mounted.
 typedef base::Callback<void(FileError error,
                             const base::FilePath& file_path)>
     MarkMountedCallback;
 
@@ skipping 253 matching lines @@
                               int options,
                               int at_most_num_matches,
                               const SearchMetadataCallback& callback) = 0;
 
   // Fetches the user's Account Metadata to find out current quota information
   // and returns it to the callback.
   virtual void GetAvailableSpace(const GetAvailableSpaceCallback& callback) = 0;
 
   // Fetches the url to the sharing dialog to be embedded in |embed_origin|,
   // for the specified file or directory. |callback| must not be null.
-  virtual void GetShareUrl(
-      const base::FilePath& file_path,
-      const GURL& embed_origin,
-      const GetShareUrlCallback& callback) = 0;
+  virtual void GetShareUrl(const base::FilePath& file_path,
+                           const GURL& embed_origin,
+                           const GetUrlCallback& callback) = 0;
+
+  // Fetches the url to download the file directry. |callback| must not be null.

[hashimoto, 2014/07/09 07:48:57]

nit: s/directry/directly/?

+  virtual void GetDownloadUrl(const base::FilePath& file_path,
+                              const GetUrlCallback& callback) = 0;
 
   // Returns miscellaneous metadata of the file system like the largest
   // timestamp. Used in chrome:drive-internals. |callback| must not be null.
   virtual void GetMetadata(
       const GetFilesystemMetadataCallback& callback) = 0;
 
   // Marks the cached file as mounted, and runs |callback| upon completion.
   // If succeeded, the cached file path will be passed to the |callback|.
   // |callback| must not be null.
   virtual void MarkCacheFileAsMounted(const base::FilePath& drive_file_path,
@@ skipping 18 matching lines @@
   virtual void Reset(const FileOperationCallback& callback) = 0;
 
   // Finds a path of an entry (a file or a directory) by |resource_id|.
   virtual void GetPathFromResourceId(const std::string& resource_id,
                                      const GetFilePathCallback& callback) = 0;
 };
 
 }  // namespace drive
 
 #endif  // CHROME_BROWSER_CHROMEOS_DRIVE_FILE_SYSTEM_INTERFACE_H_