Silently swallow exceptions in extension bindings callbacks.

chrome/chrome_tests.gypi

 # Copyright (c) 2011 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.
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 2480 matching lines @@
         'browser/extensions/content_script_apitest.cc',
         'browser/extensions/content_security_policy_apitest.cc',
         'browser/extensions/convert_web_app_browsertest.cc',
         'browser/extensions/cross_origin_xhr_apitest.cc',
         'browser/extensions/crx_installer_browsertest.cc',
         'browser/extensions/events_apitest.cc',
         'browser/extensions/execute_script_apitest.cc',
         'browser/extensions/extension_apitest.cc',
         'browser/extensions/extension_apitest.h',
         'browser/extensions/extension_apitest_apitest.cc',
+        'browser/extensions/extension_bindings_apitest.cc',
         'browser/extensions/extension_browsertest.cc',
         'browser/extensions/extension_browsertest.h',
         'browser/extensions/extension_browsertests_misc.cc',
         'browser/extensions/extension_chrome_auth_private_apitest.cc',
         'browser/extensions/extension_clear_apitest.cc',
         'browser/extensions/extension_content_settings_apitest.cc',
         'browser/extensions/extension_context_menu_apitest.cc',
         'browser/extensions/extension_context_menu_browsertest.cc',
         'browser/extensions/extension_cookies_apitest.cc',
         'browser/extensions/extension_crash_recovery_browsertest.cc',
@@ skipping 1792 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }