[perf] Don't ignore dump and process counts in TBMv2 memory-infra benchmarks

tools/perf/benchmarks/memory_infra.py

 # Copyright 2015 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 re
 
 from core import perf_benchmark
 
 from telemetry import benchmark
 from telemetry.timeline import tracing_category_filter
 from telemetry.web_perf import timeline_based_measurement
 from telemetry.web_perf.metrics import memory_timeline
 
 import page_sets
 
 
 # See tr.v.Numeric.getSummarizedScalarNumericsWithNames()
 # https://github.com/catapult-project/catapult/blob/master/tracing/tracing/value/numeric.html#L323
-_IGNORED_STATS_RE = re.compile(r'_(std|count|max|min|sum|pct_\d{4}(_\d+)?)$')
+_IGNORED_STATS_RE = re.compile(
+    r'(?<!dump)(?<!process)_(std|count|max|min|sum|pct_\d{4}(_\d+)?)$')
 
 
 class _MemoryInfra(perf_benchmark.PerfBenchmark):
   """Base class for new-generation memory benchmarks based on memory-infra.
 
   This benchmark records data using memory-infra (https://goo.gl/8tGc6O), which
   is part of chrome tracing, and extracts it using timeline-based measurements.
   """
 
   # Subclasses can override this to use TBMv2 instead of TBMv1.
@@ skipping 181 matching lines @@
   of long running idle Gmail page """
   page_set = page_sets.LongRunningIdleGmailBackgroundPageSet
 
   @classmethod
   def Name(cls):
     return 'memory.long_running_idle_gmail_background_tbmv2'
 
   @classmethod
   def ShouldDisable(cls, possible_browser):  # http://crbug.com/616530
     return cls.IsSvelte(possible_browser)