Factor out a perf test result printer method.

testing/perf/perf_test.gyp

Index: testing/perf/perf_test.gyp
diff --git a/tools/android/adb_reboot/adb_reboot.gyp b/testing/perf/perf_test.gyp
similarity index 59%
copy from tools/android/adb_reboot/adb_reboot.gyp
copy to testing/perf/perf_test.gyp
index 85134b9906acda6865fdf72d1859d7eac139d0c3..d2e3452a78ffc0edbe2c1c31f5eefc54042267f4 100644
--- a/tools/android/adb_reboot/adb_reboot.gyp
+++ b/testing/perf/perf_test.gyp
@@ -1,13 +1,17 @@
 # Copyright (c) 2013 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.
+
 {
   'targets': [
     {
-      'target_name': 'adb_reboot',
-      'type': 'executable',
+      'target_name': 'perf_test',
+      'type': 'static_library',
       'sources': [
-        'adb_reboot.c',
+        'perf_test.cc',
+      ],
+      'dependencies': [
+        '../../base/base.gyp:base',
       ],
     },
   ],