[Telemetry] Explicitly define Name() method for all perf benchmarks

tools/perf/benchmarks/octane.py

 # Copyright 2012 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.
 
 """Runs Octane 2.0 javascript benchmark.
 
 Octane 2.0 is a modern benchmark that measures a JavaScript engine's performance
 by running a suite of tests representative of today's complex and demanding web
 applications. Octane's goal is to measure the performance of JavaScript code
 found in large, real-world web applications.
@@ skipping 119 matching lines @@
                                        'benchmark collection.'))
 
 
 class Octane(benchmark.Benchmark):
   """Google's Octane JavaScript benchmark.
 
   http://octane-benchmark.googlecode.com/svn/latest/index.html
   """
   test = _OctaneMeasurement
 
+  @classmethod
+  def Name(cls):
+    return 'octane'
+
   def CreatePageSet(self, options):
     ps = page_set.PageSet(
       archive_data_file='../page_sets/data/octane.json',
       file_path=os.path.abspath(__file__),
       bucket=page_set.PUBLIC_BUCKET)
     ps.AddUserStory(page_module.Page(
         'http://octane-benchmark.googlecode.com/svn/latest/index.html?auto=1',
         ps, ps.base_dir, make_javascript_deterministic=False))
     return ps