Move mocks and unittest JS files to sit alongside production code.

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': {
     'chrome_browser_extensions_test_support_sources': [
       # A list of sources which is shared between different browser tests.
       'browser/apps/app_browsertest_util.cc',
       'browser/apps/app_browsertest_util.h',
       'browser/extensions/browsertest_util.cc',
@@ skipping 1953 matching lines @@
         '../third_party/safe_browsing/safe_browsing.gyp:safe_browsing',
         '../third_party/widevine/cdm/widevine_cdm.gyp:widevine_cdm_version_h',
         '../ui/accessibility/accessibility.gyp:accessibility_test_support',
         '../ui/compositor/compositor.gyp:compositor_test_support',
         '../ui/resources/ui_resources.gyp:ui_resources',
         '../ui/web_dialogs/web_dialogs.gyp:web_dialogs_test_support',
         '../v8/tools/gyp/v8.gyp:v8',
         # Runtime dependencies
         '../ppapi/ppapi_internal.gyp:ppapi_tests',
         '../remoting/remoting.gyp:remoting_browser_test_resources',
-        '../remoting/remoting.gyp:remoting_webapp_unittest',
+        '../remoting/remoting.gyp:remoting_webapp_unittests',
         '../third_party/mesa/mesa.gyp:osmesa',
         '../third_party/widevine/cdm/widevine_cdm.gyp:widevine_test_license_server',
       ],
       'include_dirs': [
         '..',
         '<(SHARED_INTERMEDIATE_DIR)',
       ],
       'defines': [
         'HAS_OUT_OF_PROC_TEST_RUNNER',
       ],
@@ skipping 1188 matching lines @@
             ['enable_webrtc==1', {
               'dependencies': [
                 '../third_party/libjingle/libjingle.gyp:libjingle_webrtc'
               ]
             }],
           ],
         }]
     }],
   ],  # 'conditions'
 }