fix chrome tasks (#230)

* fix chrome

* fix: fix proxy setup

* feat&fix: add proxy support in setup and remove hardcoded proxy from example

* fix tasks

* fix chrome finished

* fix

* clean chrome_fix code

* clean chrome_fix code

---------

Co-authored-by: adlsdztony <zzl0712@connect.hku.hk>

desktop_env/evaluators/metrics/__init__.py

@@ -21,7 +21,8 @@ from .chrome import (
     is_expected_url_pattern_match,
     is_added_to_steam_cart,
     is_expected_installed_extensions,
-    compare_pdf_images
+    compare_pdf_images,
+    is_expected_active_tab_approximate
 )
 from .docs import (
     compare_font_names,