Skeleton for proto_zero_plugin.

components/tracing.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.
 
 # This file is intentionally a gyp file rather than a gypi for dependencies
 # reasons. The other gypi files include content.gyp and content_common depends
 # on this, thus if you try to rename this to gypi and include it in
 # components.gyp, you will get a circular dependency error.
 {
@@ skipping 39 matching lines @@
         'tracing/tracing_export.h',
       ],
       'target_conditions': [
         ['>(nacl_untrusted_build)==1', {
           'sources!': [
             'tracing/common/process_metrics_memory_dump_provider.cc',
           ],
         }],
       ]
     },
+    {
+      'target_name': 'proto_zero_plugin',
+      'type': 'executable',
+      'toolsets': ['host'],
+      'sources': [
+        'tracing/tools/proto_zero_plugin/proto_zero_generator.cc',
+        'tracing/tools/proto_zero_plugin/proto_zero_generator.h',
+        'tracing/tools/proto_zero_plugin/proto_zero_plugin.cc',
+      ],
+      'include_dirs': [
+        '..',
+        '../third_party/protobuf/src',
+      ],
+      'dependencies': [
+        '../third_party/protobuf/protobuf.gyp:protoc_lib',
+      ],
+    },
+    {
+      'target_name': 'proto_zero_testing_messages',
+      'type': 'static_library',
+      'variables': {
+        'proto_in_dir': 'tracing/test',
+        'proto_out_dir': 'components/tracing/test',
+        'generator_plugin': 'proto_zero_plugin',
+        'generator_plugin_suffix': '.pbzero',
+        'generate_cc': 0,
+        'generate_python': 0,
+      },
+      'sources': [
+        'tracing/test/example_messages.proto',
+      ],
+      'dependencies': [
+        'proto_zero_plugin',
+      ],
+      'includes': ['../build/protoc.gypi'],
+    },
   ],
 }