Skeleton for proto_zero_plugin.

components/tracing/tools/proto_zero_plugin/proto_zero_generator.h

+// 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.
+
+#ifndef COMPONENTS_TRACING_PROTO_ZERO_PLUGIN_PROTO_ZERO_GENERATOR_H_
+#define COMPONENTS_TRACING_PROTO_ZERO_PLUGIN_PROTO_ZERO_GENERATOR_H_
+
+#include <string>
+
+#include "third_party/protobuf/src/google/protobuf/compiler/code_generator.h"
+
+namespace tracing {
+namespace proto {
+
+class ProtoZeroGenerator : public google::protobuf::compiler::CodeGenerator {
+ public:
+  explicit ProtoZeroGenerator();
+  ~ProtoZeroGenerator() override;
+
+  // CodeGenerator implementation
+  bool Generate(const google::protobuf::FileDescriptor* file,
+                const std::string& options,
+                google::protobuf::compiler::GeneratorContext* context,
+                std::string* error) const override;
+};
+
+}  // namesapce proto
+}  // namespace tracing
+
+#endif  // COMPONENTS_TRACING_PROTO_ZERO_PLUGIN_PROTO_ZERO_GENERATOR_H_