Provide dummy Android UI thread with looper for C++ unit tests

base/base.gyp

 # 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': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/win_precompile.gypi',
@@ skipping 972 matching lines @@
         'test/test_suite.cc',
         'test/test_suite.h',
         'test/test_support_android.cc',
         'test/test_support_android.h',
         'test/test_support_ios.h',
         'test/test_support_ios.mm',
         'test/test_switches.cc',
         'test/test_switches.h',
         'test/test_timeouts.cc',
         'test/test_timeouts.h',
+        'test/test_ui_thread_android.cc',
+        'test/test_ui_thread_android.h',
         'test/thread_test_helper.cc',
         'test/thread_test_helper.h',
         'test/trace_event_analyzer.cc',
         'test/trace_event_analyzer.h',
         'test/trace_to_file.cc',
         'test/trace_to_file.h',
         'test/user_action_tester.cc',
         'test/user_action_tester.h',
         'test/values_test_util.cc',
         'test/values_test_util.h',
@@ skipping 381 matching lines @@
             'input_java_class': 'java/lang/Runtime.class',
           },
           'includes': [ '../build/jar_file_jni_generator.gypi' ],
         },
         {
           # TODO(GN)
           'target_name': 'base_unittests_jni_headers',
           'type': 'none',
           'sources': [
             'test/android/java/src/org/chromium/base/ContentUriTestUtils.java',
+            'test/android/java/src/org/chromium/base/TestUiThread.java',
           ],
           'variables': {
             'jni_gen_package': 'base',
           },
           'includes': [ '../build/jni_generator.gypi' ],
         },
         {
           # GN: //base:base_native_libraries_gen
           'target_name': 'base_native_libraries_gen',
           'type': 'none',
@@ skipping 218 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }