Relanding this with fixes for the unit test failures which required addition of some more plumbing …

chrome/chrome_tests_unit.gypi

 # Copyright 2012 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_unit_tests_sources': [
       '../apps/app_shim/app_shim_host_mac_unittest.cc',
       '../apps/app_shim/extension_app_shim_handler_mac_unittest.cc',
       '../apps/saved_files_service_unittest.cc',
       '../components/autofill/content/renderer/test_password_autofill_agent.cc',
@@ skipping 2109 matching lines @@
               'sources!': [
                 'browser/ui/window_sizer/window_sizer_unittest.cc',
               ],
             }],
           ],
         }],
         ['use_aura==1', {
           'dependencies': [
             '../ui/wm/wm.gyp:wm',
             '../ui/aura/aura.gyp:aura_test_support',
+            '../ui/views/views.gyp:views_test_support',
           ],
           'sources/': [
             ['exclude', '^browser/ui/views/extensions/browser_action_drag_data_unittest.cc'],
           ],
+          'sources': [
+            '../ui/views/controls/webview/webview_unittest.cc',
+          ],
         }],
         ['use_aura==1 and use_ash==0 and use_ozone==0 and OS=="linux"', {
           'dependencies': [
             'browser/ui/libgtk2ui/libgtk2ui.gyp:gtk2ui',
             '../build/linux/system.gyp:gio',
           ],
         }, {
           'sources/': [
             ['exclude', '^browser/ui/libgtk2ui/'],
           ],
@@ skipping 727 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }