[telemetry] Move tab from RunState to PageState.

tools/perf/measurements/endure.py

 # Copyright 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.
 
 import optparse
 import re
 import time
 
 from metrics import v8_object_stats
 from telemetry.page import page_measurement
@@ skipping 59 matching lines @@
   def DidStartBrowser(self, browser):
     # Save the Browser object so that memory_stats can be gotten later.
     self._browser = browser
 
   def CustomizeBrowserOptions(self, options):
     v8_object_stats.V8ObjectStatsMetric.CustomizeBrowserOptions(options)
 
   def CanRunForPage(self, page):
     return hasattr(page, 'endure')
 
-  def WillRunPageRepeats(self, page, tab):
+  def WillRunPageRepeats(self, page):
     """Set-up before starting a new page."""
     # Reset the starting time for each new page.
     self._start_time = time.time()
 
     # Prefix the page name so it can be picked up by the buildbot script that
     # parses Endure output.
     if page.name and not page.display_name.startswith('endure_'):
       page.name = 'endure_' + page.name
 
   def MeasurePage(self, page, tab, results):
@@ skipping 64 matching lines @@
 
     # V8 stats
     def V8StatsSum(counters):
       """Given a list of V8 counter names, get the sum of the values in KB."""
       stats = v8_object_stats.V8ObjectStatsMetric.GetV8StatsTable(tab, counters)
       return sum(stats.values()) / 1024.0
     AddPoint('v8_memory_committed', 'KB', V8StatsSum(_V8_BYTES_COMMITTED))
     AddPoint('v8_memory_used', 'KB', V8StatsSum(_V8_BYTES_USED))
     AddPoint('v8_memory_allocated', 'KB', V8StatsSum(_V8_MEMORY_ALLOCATED))