This accomplishes a few things:...

ppapi/ppapi.gyp

 # Copyright (c) 2010 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,  # Use higher warning level.
   },
   'target_defaults': {
@@ skipping 73 matching lines @@
         'c/dev/ppb_find_dev.h',
         'c/dev/ppb_font_dev.h',
         'c/dev/ppb_fullscreen_dev.h',
         'c/dev/ppb_graphics_3d_dev.h',
         'c/dev/ppb_opengles_dev.h',
         'c/dev/ppb_scrollbar_dev.h',
         'c/dev/ppb_testing_dev.h',
         'c/dev/ppb_transport_dev.h',
         'c/dev/ppb_url_util_dev.h',
         'c/dev/ppb_video_decoder_dev.h',
+        'c/dev/ppb_widget_dev.h',
         'c/dev/ppb_zoom_dev.h',
         'c/dev/ppp_cursor_control_dev.h',
         'c/dev/ppp_find_dev.h',
         'c/dev/ppp_graphics_3d_dev.h',
         'c/dev/ppp_scrollbar_dev.h',
         'c/dev/ppp_selection_dev.h',
         'c/dev/ppp_printing_dev.h',
         'c/dev/ppp_widget_dev.h',
         'c/dev/ppp_zoom_dev.h',
 
@@ skipping 24 matching lines @@
         'cpp/graphics_2d.cc',
         'cpp/graphics_2d.h',
         'cpp/image_data.cc',
         'cpp/image_data.h',
         'cpp/instance.cc',
         'cpp/instance.h',
         'cpp/logging.h',
         'cpp/module.cc',
         'cpp/module.h',
         'cpp/module_impl.h',
+        'cpp/non_thread_safe_ref_count.h',
         'cpp/paint_aggregator.cc',
         'cpp/paint_aggregator.h',
         'cpp/paint_manager.cc',
         'cpp/paint_manager.h',
         'cpp/point.h',
         'cpp/rect.cc',
         'cpp/rect.h',
         'cpp/resource.cc',
         'cpp/resource.h',
         'cpp/size.h',
@@ skipping 269 matching lines @@
         # Common test files.
         'tests/test_case.cc',
         'tests/test_case.h',
         'tests/testing_instance.cc',
         'tests/testing_instance.h',
 
         # Test cases.
         'tests/test_buffer.cc',
         'tests/test_buffer.h',
         'tests/test_c_includes.c',
+        'tests/test_cc_includes.cc',
         'tests/test_char_set.cc',
         'tests/test_char_set.h',
         'tests/test_directory_reader.cc',
         'tests/test_directory_reader.h',
         'tests/test_file_io.cc',
         'tests/test_file_io.h',
         'tests/test_file_ref.cc',
         'tests/test_file_ref.h',
         'tests/test_graphics_2d.cc',
         'tests/test_graphics_2d.h',
@@ skipping 31 matching lines @@
             '_CRT_NONSTDC_NO_DEPRECATE',
             '_SCL_SECURE_NO_DEPRECATE',
           ],
         }],
         ['OS=="mac"', {
           'mac_bundle': 1,
           'product_name': 'ppapi_tests',
           'product_extension': 'plugin',
         }],
       ],
+# TODO(dmichael):  Figure out what is wrong with the script on Windows and add
+#                  it as an automated action.
+#      'actions': [
+#        {
+#          'action_name': 'generate_ppapi_include_tests',
+#          'inputs': [],
+#          'outputs': [
+#            'tests/test_c_includes.c',
+#            'tests/test_cc_includes.cc',
+#          ],
+#          'action': [
+#            '<!@(python generate_ppapi_include_tests.py)',
+#          ],
+#        },
+#      ],
     },
     {
       'target_name': 'ppapi_proxy',
       'type': 'static_library',
       'dependencies': [
         '../ipc/ipc.gyp:ipc',
         'ppapi_c',
       ],
       'all_dependent_settings': {
         'include_dirs': [
@@ skipping 78 matching lines @@
         ['OS=="win"', {
         }],
         ['OS=="linux"', {
         }],
         ['OS=="mac"', {
         }]
       ],
     },
   ],
 }