Files app: Move common/js/externs.js to externs/*.

ui/file_manager/file_manager/background/js/compiled_resources.gyp

Index: ui/file_manager/file_manager/background/js/compiled_resources.gyp
diff --git a/ui/file_manager/file_manager/background/js/compiled_resources.gyp b/ui/file_manager/file_manager/background/js/compiled_resources.gyp
index 2fdda448b91d37df8b05d30b94a6132b490cd725..98de969b536eebaa113b931c8309ca5356e6c9f2 100644
--- a/ui/file_manager/file_manager/background/js/compiled_resources.gyp
+++ b/ui/file_manager/file_manager/background/js/compiled_resources.gyp
@@ -63,13 +63,13 @@
           '../../../externs/css_rule.js',
           '../../../externs/entry_location.js',
           '../../../externs/es6_workaround.js',
+          '../../../externs/file_operation_progress_event.js',
           '../../../externs/launcher_search_provider.js',
           '../../../externs/webview_tag.js',
           '../../../externs/platform.js',
           '../../../externs/volume_info.js',
           '../../../externs/volume_info_list.js',
           '../../../externs/volume_manager.js',
-          '../../common/js/externs.js',
         ],
       },
       'includes': [