Move unit tests to test/unittests.

src/libplatform/libplatform.gyp

-# Copyright 2014 the V8 project 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': {
-    'v8_code': 1,
-  },
-  'includes': ['../../build/toolchain.gypi', '../../build/features.gypi'],
-  'targets': [
-    {
-      'target_name': 'libplatform-unittests',
-      'type': 'executable',
-      'dependencies': [
-        '../../testing/gtest.gyp:gtest',
-        '../../testing/gmock.gyp:gmock',
-        '../../testing/gmock.gyp:gmock_main',
-        '../../tools/gyp/v8.gyp:v8_libplatform',
-      ],
-      'include_dirs': [
-        '../..',
-      ],
-      'sources': [  ### gcmole(all) ###
-        'default-platform-unittest.cc',
-        'task-queue-unittest.cc',
-        'worker-thread-unittest.cc',
-      ],
-      'conditions': [
-        ['os_posix == 1', {
-          # TODO(svenpanne): This is a temporary work-around to fix the warnings
-          # that show up because we use -std=gnu++0x instead of -std=c++11.
-          'cflags!': [
-            '-pedantic',
-          ],
-        }],
-      ],
-    },
-  ],
-}