Trace-based benchmarking via a mojo app.

apps/benchmark/args.h

Index: apps/benchmark/args.h
diff --git a/apps/benchmark/args.h b/apps/benchmark/args.h
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+// Copyright 2015 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 APPS_BENCHMARK_ARGS_H_
+#define APPS_BENCHMARK_ARGS_H_
+
+#include <string>
+#include <vector>
+
+#include "apps/benchmark/measurements.h"
+#include "base/time/time.h"
+
+namespace benchmark {
+
+// Represents arguments for a run of the benchmark app.
+struct Args {
+  std::string app;
+  base::TimeDelta duration;
+  std::vector<Measurement> measurements;
+
+  Args();
+  ~Args();
+};
+
+// Parses the arguments representation from the format provided by
+// ApplicationImpl::args(). Returns true iff the arguments were correctly parsed
+// and stored in |result|.
+bool GetArgs(const std::vector<std::string>& input_args, Args* result);
+
+}  // namespace benchmark
+
+#endif  // APPS_BENCHMARK_ARGS_H_