Files: Extract VolumeInfo interface from volume_manager.js.

ui/file_manager/gallery/js/compiled_resources.gyp

Index: ui/file_manager/gallery/js/compiled_resources.gyp
diff --git a/ui/file_manager/gallery/js/compiled_resources.gyp b/ui/file_manager/gallery/js/compiled_resources.gyp
index 6eeb27268947d3761090812838a2ba832d47a24b..0b528197944597e9241b311abfaec862a36b83ce 100644
--- a/ui/file_manager/gallery/js/compiled_resources.gyp
+++ b/ui/file_manager/gallery/js/compiled_resources.gyp
@@ -37,6 +37,7 @@
           '../../externs/es6_workaround.js',
           '../../externs/gallery_background.js',
           '../../externs/platform.js',
+          '../../externs/volume_info.js',
         ],
       },
       'includes': [
@@ -146,6 +147,7 @@
           '../../externs/gallery_foreground.js',
           '../../externs/paper_elements.js',
           '../../externs/platform.js',
+          '../../externs/volume_info.js',
           '../../externs/webview_tag.js',
         ],
       },