Overhaul microbenchmark so that it can be pulled in easily by any package

src/platform/microbenchmark/microbenchmark.cc

 // Copyright (c) 2009 The Chromium OS Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
-// Some portions Copyright (c) 2009 The Chromium Authors.
 
 #include "microbenchmark/microbenchmark.h"
 
 namespace chromeos {
 // Commandline switch used to override the default number of runs for all
 // tests.
 const char *Microbenchmark::kRunsSwitch = "microbenchmark-runs";
 
 void Microbenchmark::Run(uint64 number_of_runs) {
   runs_ = number_of_runs;
@@ skipping 32 matching lines @@
             << name() << "-scaffold,"
             << runs() << ","
             << scaffold_total_nanoseconds() << ","
             << scaffold_per_run_nanoseconds() << "\nMB:"
             << name() << ","
             << runs() << ","
             << total_nanoseconds() << ","
             << per_run_nanoseconds() << "\nMB:"
             << name() << "-adjusted,"
             << runs() << ","
-            << total_nanoseconds() - scaffold_total_nanoseconds() << ""
+            << total_nanoseconds() - scaffold_total_nanoseconds() << ","
             << per_run_nanoseconds() - scaffold_per_run_nanoseconds()
             << "\n";
 }
 
 // Hide away helper functions here.
 namespace microbenchmark_helper {
 // Empty setup function.
 void NoSetup(uint64) { }
 
 }  // namespace microbenchmark_helper
 }  // namespace chromeos