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

ui/file_manager/file_manager/foreground/js/compiled_resources.gyp

Index: ui/file_manager/file_manager/foreground/js/compiled_resources.gyp
diff --git a/ui/file_manager/file_manager/foreground/js/compiled_resources.gyp b/ui/file_manager/file_manager/foreground/js/compiled_resources.gyp
index cad72ef4273276b38af6ac88588610d1213923b3..ee3a0b445aa8d02a9ec4f24736dc33543d81abac 100644
--- a/ui/file_manager/file_manager/foreground/js/compiled_resources.gyp
+++ b/ui/file_manager/file_manager/foreground/js/compiled_resources.gyp
@@ -167,14 +167,17 @@
           '<(EXTERNS_DIR)/file_manager_private.js',
           '<(EXTERNS_DIR)/metrics_private.js',
           '../../../../../third_party/analytics/externs.js',
+          '../../../externs/background_window.js',
           '../../../externs/background_window_common.js',
           '../../../externs/chrome_echo_private.js',
           '../../../externs/chrome_webstore_widget_private.js',
           '../../../externs/chrome_test.js',
           '../../../externs/connection.js',
           '../../../externs/css_rule.js',
+          '../../../externs/directory_change_event.js',
           '../../../externs/entry_location.js',
           '../../../externs/es6_workaround.js',
+          '../../../externs/file_operation_progress_event.js',
           '../../../externs/html_menu_item_element.js',
           '../../../externs/launcher_search_provider.js',
           '../../../externs/webview_tag.js',
@@ -183,7 +186,6 @@
           '../../../externs/volume_info.js',
           '../../../externs/volume_info_list.js',
           '../../../externs/volume_manager.js',
-          '../../common/js/externs.js',
         ],
       },
       'includes': [