Files: Extract VolumeInfo interface from volume_manager.js.

ui/file_manager/audio_player/js/compiled_resources.gyp

 # 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.
 {
   'targets': [
     {
       'target_name': 'background',
       'variables': {
         'depends': [
           '../../../../third_party/jstemplate/compiled_resources.gyp:jstemplate',
@@ skipping 20 matching lines @@
         ],
         'externs': [
           '<(EXTERNS_DIR)/chrome_send.js',
           '<(EXTERNS_DIR)/chrome_extensions.js',
           '<(EXTERNS_DIR)/file_manager_private.js',
           '<(EXTERNS_DIR)/metrics_private.js',
           '../../../../third_party/analytics/externs.js',
           '../../externs/chrome_test.js',
           '../../externs/es6_workaround.js',
           '../../externs/platform.js',
+          '../../externs/volume_info.js',
         ],
       },
       'includes': [
         '../../compile_js.gypi',
       ],
     },
     {
       'target_name': 'audio_player',
       'variables': {
         'depends': [
@@ skipping 44 matching lines @@
         'externs': [
           '<(EXTERNS_DIR)/chrome_extensions.js',
           '<(EXTERNS_DIR)/chrome_send.js',
           '<(EXTERNS_DIR)/file_manager_private.js',
           '<(EXTERNS_DIR)/metrics_private.js',
           '../../../../third_party/analytics/externs.js',
           '../../externs/audio_player_foreground.js',
           '../../externs/chrome_test.js',
           '../../externs/es6_workaround.js',
           '../../externs/platform.js',
+          '../../externs/volume_info.js',
         ],
       },
       'includes': [
         '../../compile_js.gypi',
       ],
     }
   ],
 }