Update remaining references to the NPAPI test plugin

chrome/chrome_tests.gypi

 # Copyright 2013 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' : {
     'chromedriver_unittest_sources': [
       'test/chromedriver/capabilities_unittest.cc',
       'test/chromedriver/chrome/chrome_finder_unittest.cc',
       'test/chromedriver/chrome/console_logger_unittest.cc',
       'test/chromedriver/chrome/device_manager_unittest.cc',
@@ skipping 3035 matching lines @@
           'sources': [
             'angle_unittests.isolate',
           ],
         },
         {
           'target_name': 'browser_tests_run',
           'type': 'none',
           'dependencies': [
             'browser_tests',
             'chrome',
-            '../third_party/WebKit/public/blink_test_plugin.gyp:blink_test_plugin',
+            '../content/content_shell_and_tests.gyp:copy_test_netscape_plugin',
           ],
           'includes': [
             '../build/isolate.gypi',
             'browser_tests.isolate',
           ],
           'sources': [
             'browser_tests.isolate',
           ],
         },
         {
@@ skipping 142 matching lines @@
             'utility',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
           ],
         }]
     }],
   ],  # 'conditions'
 }