WebRTC: Remove --isolate_file_path argument from content_browsertests

scripts/slave/recipe_modules/chromium_tests/chromium_webrtc.py

 # Copyright 2015 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.
 
 import collections
 from . import steps
 
 
 _builders = collections.defaultdict(dict)
 
@@ skipping 83 matching lines @@
     steps.generate_gtest,
     steps.generate_script,
     steps.generate_isolated_script,
   ]
 
   if platform == 'android':
     spec['root_devices'] = True
     spec['tests'] = [
       steps.GTestTest(
           'content_browsertests',
-          args=['--gtest_filter=WebRtc*'],
-          android_isolate_path='content/content_browsertests.isolate'),
+          args=['--gtest_filter=WebRtc*']),
     ]
   else:
     spec['gclient_apply_config'].append('webrtc_test_resources')
     spec['tests'] = [
       WebRTCTest('content_browsertests',
                  args=['--gtest_filter=WebRtc*', '--run-manual',
                        '--test-launcher-print-test-stdio=always',
                        '--test-launcher-bot-mode'],
                  perf_id=perf_id),
       WebRTCTest('browser_tests',
@@ skipping 32 matching lines @@
 
 AddBuildSpec('Win Builder', 'win', target_bits=32)
 AddBuildSpec('Mac Builder', 'mac')
 AddBuildSpec('Linux Builder', 'linux')
 
 AddTestSpec('Win7 Tester', 'chromium-webrtc-rel-7', 'win', target_bits=32)
 AddTestSpec('Win8 Tester', 'chromium-webrtc-rel-win8', 'win', target_bits=32)
 AddTestSpec('Win10 Tester', 'chromium-webrtc-rel-win10', 'win', target_bits=32)
 AddTestSpec('Mac Tester', 'chromium-webrtc-rel-mac', 'mac')
 AddTestSpec('Linux Tester', 'chromium-webrtc-rel-linux', 'linux')