Skeleton for proto_zero_plugin.

components/tracing/tools/proto_zero_plugin/BUILD.gn

Index: components/tracing/tools/proto_zero_plugin/BUILD.gn
diff --git a/components/tracing/tools/proto_zero_plugin/BUILD.gn b/components/tracing/tools/proto_zero_plugin/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..cdf0eb160731dc5c99211270f16cf85b025c3201
--- /dev/null
+++ b/components/tracing/tools/proto_zero_plugin/BUILD.gn
@@ -0,0 +1,16 @@
+# Copyright 2016 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.
+
+if (current_toolchain == host_toolchain) {
+  executable("proto_zero_plugin") {
+    sources = [
+      "proto_zero_generator.cc",
+      "proto_zero_generator.h",
+      "proto_zero_plugin.cc",
+    ]
+    deps = [
+      "//third_party/protobuf:protoc_lib",
+    ]
+  }
+}