Add compat to Crashpad

compat/compat.gyp

+# Copyright 2014 The Crashpad Authors. All rights reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+{
+  'targets': [
+    {
+      'target_name': 'compat',
+      'type': 'none',
+      'include_dirs': [
+        'mac',
+        'non_win',
+      ],
+      'direct_dependent_settings': {
+        'include_dirs': [
+          'mac',
+          'non_win',
+        ],
+      },
+      'sources': [
+        'mac/AvailabilityMacros.h',
+        'mac/mach/mach.h',
+        'mac/mach-o/loader.h',
+        'mac/servers/bootstrap.h',
+        'non_win/dbghelp.h',
+        'non_win/minwinbase.h',
+        'non_win/timezoneapi.h',
+        'non_win/verrsrc.h',
+        'non_win/winnt.h',
+      ],
+    },
+  ],
+}