Move NPAPI test plugin to content/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' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 2035 matching lines @@
         }, { # else: toolkit_views == 0
           'sources/': [
             ['exclude', '^../ui/views/'],
             ['exclude', '^browser/ui/views/'],
           ],
         }],
         ['OS!="android" and OS!="ios"', {
           # npapi test plugin doesn't build on android or ios
           'dependencies': [
             # build time dependency.
+            '../content/content.gyp:copy_npapi_test_plugin',
             '../v8/tools/gyp/v8.gyp:v8_shell#host',
-            '../webkit/plugins/webkit_plugins.gyp:copy_npapi_test_plugin',
           ],
         }],
         ['enable_app_list==0', {
           'sources/': [
             ['exclude', '^browser/ui/app_list/'],
           ],
         }],
         ['enable_plugins==1', {
           'dependencies': [
             # Runtime dependency.
@@ skipping 1323 matching lines @@
             'utility',
           ],
           'sources': [
             'tools/service_discovery_sniffer/service_discovery_sniffer.h',
             'tools/service_discovery_sniffer/service_discovery_sniffer.cc',
           ],
         }]
     }],
   ],  # 'conditions'
 }