This accomplishes a few things:...

ppapi/ppapi.gyp

Index: ppapi/ppapi.gyp
===================================================================
--- ppapi/ppapi.gyp	(revision 66667)
+++ ppapi/ppapi.gyp	(working copy)
@@ -91,6 +91,7 @@
         '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',
@@ -135,6 +136,7 @@
         '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',
@@ -424,6 +426,7 @@
         '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',
@@ -475,6 +478,21 @@
           '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',