Add new multipage_skpicture_printer benchmark and measurement

tools/perf/benchmarks/skpicture_printer.py

 # Copyright 2014 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.
 
 from core import perf_benchmark
 
 import ct_benchmarks_util
 import page_sets
 from telemetry import benchmark
 from telemetry.core import discover
 from telemetry import story
 
 from measurements import skpicture_printer
 
 
 def _MatchPageSetName(story_set_name, story_set_base_dir):
   story_sets = discover.DiscoverClasses(story_set_base_dir, story_set_base_dir,
                                         story.StorySet).values()
   for s in story_sets:
     if story_set_name == s.Name():
       return s
   return None
 
 
+# Disabled because we do not plan on running this SKP benchmark on the perf
+# waterfall any time soon.
 @benchmark.Disabled('all')
 class SkpicturePrinter(perf_benchmark.PerfBenchmark):
 
   @classmethod
   def AddBenchmarkCommandLineArgs(cls, parser):
     parser.add_option('--page-set-name',  action='store', type='string')
     parser.add_option('--page-set-base-dir', action='store', type='string')
     parser.add_option('-s', '--skp-outdir',
                       help='Output directory for the SKP files')
 
@@ skipping 39 matching lines @@
   @classmethod
   def ProcessCommandLineArgs(cls, parser, args):
     ct_benchmarks_util.ValidateCommandLineArgs(parser, args)
 
   def CreatePageTest(self, options):
     return skpicture_printer.SkpicturePrinter(options.skp_outdir)
 
   def CreateStorySet(self, options):
     return page_sets.CTPageSet(
         options.urls_list, options.user_agent, options.archive_data_file)