Make ui_controls only usable from interactive_ui_tests. This has two benefits:

chrome/chrome_tests.gypi

 # Copyright (c) 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' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
       'common/pref_names.cc',
@@ skipping 150 matching lines @@
         # Runtime dependencies
         '../ppapi/ppapi_internal.gyp:ppapi_tests',
         '../ui/web_dialogs/web_dialogs.gyp:web_dialogs_test_support',
         '../webkit/support/webkit_support.gyp:webkit_resources',
       ],
       'include_dirs': [
         '..',
       ],
       'defines': [
         'HAS_OUT_OF_PROC_TEST_RUNNER',
+        'INTERACTIVE_TESTS',
       ],
       'sources': [
         'browser/browser_keyevents_browsertest.cc',
         'browser/extensions/api/tabs/tabs_interactive_test.cc',
         'browser/extensions/extension_apitest.cc',
         'browser/extensions/extension_browsertest.cc',
         'browser/extensions/extension_crash_recovery_browsertest.cc',
         'browser/extensions/extension_function_test_utils.cc',
         'browser/extensions/extension_keybinding_apitest.cc',
         'browser/extensions/notifications_apitest.cc',
@@ skipping 46 matching lines @@
         'test/base/interactive_test_utils.h',
         'test/base/interactive_test_utils_aura.cc',
         'test/base/interactive_test_utils_aura.h',
         'test/base/interactive_test_utils_gtk.cc',
         'test/base/interactive_test_utils_mac.mm',
         'test/base/interactive_test_utils_views.cc',
         'test/base/interactive_test_utils_win.cc',
         'test/base/view_event_test_base.cc',
         'test/base/view_event_test_base.h',
         'test/ppapi/ppapi_interactive_browsertest.cc',
+        # TODO(jam): move these files to chrome/test/base
+        '../ash/ui_controls_ash.cc',
+        '../ui/aura/ui_controls_aura.h',
+        '../ui/aura/ui_controls_win.cc',
+        '../ui/aura/ui_controls_x11.cc',
+        '../ui/ui_controls/ui_controls.h',
+        '../ui/ui_controls/ui_controls_aura.cc',
+        '../ui/ui_controls/ui_controls_gtk.cc',
+        '../ui/ui_controls/ui_controls_internal_win.cc',
+        '../ui/ui_controls/ui_controls_internal_win.h',
+        '../ui/ui_controls/ui_controls_mac.mm',
+        '../ui/ui_controls/ui_controls_win.cc',
       ],
       'conditions': [
         ['toolkit_uses_gtk == 1', {
           'dependencies': [
             '../build/linux/system.gyp:gtk',
             '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
           ],
           'sources!': [
             'browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc',
           ],
@@ skipping 61 matching lines @@
           ],
         }],
         ['use_ash==1', {
           'dependencies': [
             '../ash/ash.gyp:ash_test_support',
           ],
         }],
         ['use_aura==1', {
           'sources!': [
             'browser/ui/views/tabs/tab_drag_controller_interactive_uitest_win.cc',
+            '../ui/ui_controls/ui_controls_win.cc',
           ],
         }],
         ['chromeos==1', {
           'sources': [
             'browser/chromeos/cros/cros_in_process_browser_test.cc',
             'browser/chromeos/cros/cros_in_process_browser_test.h',
             'browser/chromeos/cros/cros_mock.cc',
             'browser/chromeos/cros/cros_mock.h',
             'browser/chromeos/login/login_browsertest.cc',
             'browser/chromeos/login/mock_authenticator.cc',
@@ skipping 2537 matching lines @@
             'sync_integration_tests.isolate',
           ],
           'sources': [
             'sync_integration_tests.isolate',
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }