Adding new pyauto perf test for an HTML5 benchmark.

chrome/test/functional/perf.py

 #!/usr/bin/env python
 # Copyright (c) 2011 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.
 
 """Basic pyauto performance tests.
 
 For tests that need to be run for multiple iterations (e.g., so that average
 and standard deviation values can be reported), the default number of iterations
 run for each of these tests is specified by |_DEFAULT_NUM_ITERATIONS|.
@@ skipping 764 matching lines @@
         'WebGLField')
 
   def testWebGLSpaceRocks(self):
     """Measures performance using the WebGL SpaceRocks demo."""
     self._RunWebGLTest(
         self.GetFileURLForDataPath('pyauto_private', 'webgl', 'spacerocks',
                                    'spacerocks.html'),
         'WebGLSpaceRocks')
 
 
+class HTML5BenchmarkTest(BasePerfTest):
+  """Tests for HTML5 performance."""
+
+  def testHTML5Benchmark(self):
+    """Measures performance using the benchmark at html5-benchmark.com."""
+    self.NavigateToURL('http://html5-benchmark.com')
+
+    start_benchmark_js = """
+      benchmark();
+      window.domAutomationController.send("done");
+    """
+    self.ExecuteJavascript(start_benchmark_js)
+
+    js_final_score = """
+      var score = "-1";
+      var elem = document.getElementById("score");
+      if (elem)
+        score = elem.innerHTML;
+      window.domAutomationController.send(score);
+    """
+    # Wait for the benchmark to complete, which is assumed to be when the value
+    # of the 'score' DOM element changes to something other than '87485'.
+    self.assertTrue(
+        self.WaitUntil(
+            lambda: self.ExecuteJavascript(js_final_score) != '87485',
+            timeout=900, retry_sleep=1),
+        msg='Timed out when waiting for final score to be available.')
+
+    score = self.ExecuteJavascript(js_final_score)
+    logging.info('HTML5 Benchmark final score: %.2f' % float(score))
+    self._OutputPerfGraphValue('HTML5Benchmark', float(score), 'score',
+                               graph_name='HTML5Benchmark')
+
+
 class FileUploadDownloadTest(BasePerfTest):
   """Tests that involve measuring performance of upload and download."""
 
   def setUp(self):
     """Performs necessary setup work before running each test in this class."""
     self._temp_dir = tempfile.mkdtemp()
     self._test_server = PerfTestServer(self._temp_dir)
     self._test_server_port = self._test_server.GetPort()
     self._test_server.Run()
     self.assertTrue(self.WaitUntil(self._IsTestServerRunning),
@@ skipping 716 matching lines @@
     """Identifies the port number to which the server is currently bound.
 
     Returns:
       The numeric port number to which the server is currently bound.
     """
     return self._server.server_address[1]
 
 
 if __name__ == '__main__':
   pyauto_functional.Main()