Refactoring benchmarks for perf bot efficiency.

tools/perf/perf_tools/texture_upload_benchmark.py

-# Copyright (c) 2012 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 perf_tools import scrolling_benchmark
-
-class TextureUploadBenchmark(scrolling_benchmark.ScrollingBenchmark):
-  def MeasurePage(self, page, tab, results):
-    rendering_stats_deltas = self.ScrollPageFully(page, tab)
-
-    num_frames_sent_to_screen = rendering_stats_deltas['numFramesSentToScreen']
-
-    dropped_percent = (
-      rendering_stats_deltas['droppedFrameCount'] /
-      float(num_frames_sent_to_screen))
-
-    if (('totalCommitCount' not in rendering_stats_deltas)
-        or rendering_stats_deltas['totalCommitCount'] == 0) :
-      averageCommitTimeMs = 0
-    else :
-      averageCommitTimeMs = (
-          1000 * rendering_stats_deltas['totalCommitTimeInSeconds'] /
-          rendering_stats_deltas['totalCommitCount'])
-
-    results.Add('dropped_percent', '%', round(dropped_percent * 100, 1))
-    results.Add('texture_upload_count', 'count',
-                rendering_stats_deltas['textureUploadCount'])
-    results.Add('average_commit_time', 'ms', averageCommitTimeMs)