[PCv2] add benchmark page_cycler_v2.typical_25

tools/perf/benchmarks/page_cycler_v2.py

+# Copyright 2016 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.
+
+"""The page cycler v2.
+
+For details, see design doc:
+https://docs.google.com/document/d/1EZQX-x3eEphXupiX-Hq7T4Afju5_sIdxPWYetj7ynd0 
+"""
+
+from core import perf_benchmark
+import page_sets
+
+from telemetry.page import cache_temperature
+from telemetry.timeline import tracing_category_filter
+from telemetry.web_perf import timeline_based_measurement
+
+class _PageCyclerV2(perf_benchmark.PerfBenchmark):
+  @classmethod
+  def Name(cls):

[nednguyen, 2016/05/13 03:43:22]

There is no need to name this "hidden" benchmark 

[kouhei (in TOK), 2016/05/18 03:55:54]

Done.

+    return 'page_cycler_v2'
+
+  def CreateTimelineBasedMeasurementOptions(self):
+    cat_filter = tracing_category_filter.TracingCategoryFilter(
+        filter_string='-*,blink.console,navigation,blink.user_timing,loading')
+
+    tbm_options = timeline_based_measurement.Options(
+        overhead_level=cat_filter)
+    tbm_options.SetTimelineBasedMetric('firstPaintMetric')
+    return tbm_options
+
+class PageCyclerTypical25(_PageCyclerV2):
+  """Page load time benchmark for a 25 typical web pages.
+
+  Designed to represent typical, not highly optimized or highly popular web
+  sites. Runs against pages recorded in June, 2014.
+  """
+  options = {'pageset_repeat': 3}
+
+  @classmethod
+  def Name(cls):
+    return 'page_cycler_v2.typical_25'
+
+  def CreateStorySet(self, options):
+    return page_sets.Typical25PageSet(run_no_page_interactions=True,
+        cache_temperatures=[cache_temperature.PCV1_COLD, cache_temperature.PCV1_WARM])

[nednguyen, 2016/05/13 03:43:22]

nits: this should go to a new line. If the PRESUBMIT didn't warn you, let me
know 

[kouhei (in TOK), 2016/05/18 03:55:54]

Done.