Remove blink_style benchmarks

tools/perf/benchmarks/blink_style.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.
-
-from core import perf_benchmark
-
-from measurements import blink_style
-import page_sets
-from telemetry import benchmark
-
-
-@benchmark.Disabled('win8')
-class BlinkStyleTop25(perf_benchmark.PerfBenchmark):
-  """Measures performance of Blink's style engine (CSS Parsing, Style Recalc,
-  etc.) on the top 25 pages.
-  """
-  test = blink_style.BlinkStyle
-  page_set = page_sets.Top25PageSet
-
-  @classmethod
-  def Name(cls):
-    return 'blink_style.top_25'
-
-
-@benchmark.Enabled('android')
-class BlinkStyleKeyMobileSites(perf_benchmark.PerfBenchmark):
-  """Measures performance of Blink's style engine (CSS Parsing, Style Recalc,
-  etc.) on key mobile sites.
-  """
-  test = blink_style.BlinkStyle
-  page_set = page_sets.KeyMobileSitesPageSet
-
-  @classmethod
-  def ShouldDisable(cls, possible_browser):  # http://crbug.com/597656
-    return (possible_browser.browser_type == 'reference' and
-            possible_browser.platform.GetDeviceTypeName() == 'Nexus 5X')
-
-  @classmethod
-  def Name(cls):
-    return 'blink_style.key_mobile_sites'
-
-
-@benchmark.Enabled('android')
-class BlinkStylePolymer(perf_benchmark.PerfBenchmark):
-  """Measures performance of Blink's style engine (CSS Parsing, Style Recalc,
-  etc.) for Polymer cases.
-  """
-  test = blink_style.BlinkStyle
-  page_set = page_sets.PolymerPageSet
-
-  @classmethod
-  def Name(cls):
-    return 'blink_style.polymer'