Memory Infra: Remove memory.top_10_mobile benchmark

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
@@ skipping 135 matching lines @@
   @classmethod
   def Name(cls):
     return 'memory.blink_memory_mobile'
 
   @classmethod
   def ValueCanBeAddedPredicate(cls, value, is_first_result):
     return bool(cls._RE_RENDERER_VALUES.match(value.name))
 
 
 # Disabled on reference builds because they don't support the new
-# Tracing.requestMemoryDump DevTools API. See http://crbug.com/540022.
-@benchmark.Disabled('reference')
-class MemoryBenchmarkTop10Mobile(_MemoryInfra):
-  """Timeline based benchmark for measuring memory on top 10 mobile sites."""
-
-  page_set = page_sets.MemoryInfraTop10MobilePageSet
-
-  @classmethod
-  def Name(cls):
-    return 'memory.top_10_mobile'
-
-
-# Disabled on reference builds because they don't support the new
 # Tracing.requestMemoryDump DevTools API.
 # For 'reference' see http://crbug.com/540022.
 # For 'android' see http://crbug.com/579546.
 @benchmark.Disabled('reference', 'android')
 class MemoryLongRunningIdleGmailTBM(_MemoryInfra):
   """Use (recorded) real world web sites and measure memory consumption
   of long running idle Gmail page """
   page_set = page_sets.LongRunningIdleGmailPageSet
 
   def CreateTimelineBasedMeasurementOptions(self):
@@ skipping 13 matching lines @@
         memory_timeline.MemoryTimelineMetric(),
     ))
 
   @classmethod
   def Name(cls):
     return 'memory.long_running_idle_gmail_tbm'
 
   @classmethod
   def ShouldTearDownStateAfterEachStoryRun(cls):
     return True