telemetry: Add a page set for blink's memory usage measurement

tools/perf/benchmarks/memory_benchmark.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
 
 import page_sets
 
 
-RE_BENCHMARK_VALUES = re.compile('(fore|back)ground-memory_')
-
-
-@benchmark.Enabled('android')
-class MemoryHealthPlan(perf_benchmark.PerfBenchmark):
-  """Timeline based benchmark for the Memory Health Plan."""
-
-  page_set = page_sets.MemoryHealthStory
+class _MemoryBenchmark(perf_benchmark.PerfBenchmark):
+  """Base class for timeline based memory benchmarks."""
 
   def SetExtraBrowserOptions(self, options):
     # TODO(perezju): Temporary workaround to disable periodic memory dumps.
     # See: http://crbug.com/513692
     options.AppendExtraBrowserArgs('--enable-memory-benchmarking')
 
   def CreateTimelineBasedMeasurementOptions(self):
     # Enable only memory-infra, to get memory dumps, and blink.console, to get
     # the timeline markers used for mapping threads to tabs.
     trace_memory = tracing_category_filter.TracingCategoryFilter(
       filter_string='-*,blink.console,disabled-by-default-memory-infra')
     return timeline_based_measurement.Options(overhead_level=trace_memory)
 
+
+class MemoryHealthPlan(_MemoryBenchmark):
+  """Timeline based benchmark for the Memory Health Plan."""
+
+  _RE_BENCHMARK_VALUES = re.compile('(fore|back)ground-memory_')
+
+  page_set = page_sets.MemoryHealthStory
+
   @classmethod
   def Name(cls):
     return 'memory.memory_health_plan'
 
   @classmethod
   def ValueCanBeAddedPredicate(cls, value, is_first_result):
-    return bool(RE_BENCHMARK_VALUES.match(value.name))
+    return bool(cls._RE_BENCHMARK_VALUES.match(value.name))
+
+
+class RendererMemoryBlinkMemoryMobile(_MemoryBenchmark):
+  """Timeline based benchmark for measuring memory consumption on mobile
+  sites on which blink's memory consumption is relatively high."""
+
+  _RE_RENDERER_VALUES = re.compile('.+-memory_.+_renderer')
+
+  page_set = page_sets.BlinkMemoryMobilePageSet
+
+  @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))