Added Tough Texture upload page set to smoothness benchmark.

tools/perf/benchmarks/smoothness.py

 # Copyright 2013 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 benchmarks import silk_flags
 from benchmarks import webgl_expectations
 from measurements import smoothness
 from telemetry import benchmark
@@ skipping 377 matching lines @@
     return 'smoothness.sync_scroll.pathological_mobile_sites'
 
 
 class SmoothnessToughAnimatedImageCases(perf_benchmark.PerfBenchmark):
   test = smoothness.Smoothness
   page_set = page_sets.ToughAnimatedImageCasesPageSet
 
   @classmethod
   def Name(cls):
     return 'smoothness.tough_animated_image_cases'
+
+
+class SmoothnessToughTextureUploadCases(perf_benchmark.PerfBenchmark):
+  test = smoothness.Smoothness
+  page_set = page_sets.ToughTextureUploadCasesPageSet
+
+  @classmethod
+  def Name(cls):
+    return 'smoothness.tough_texture_upload_cases'