cc : Clean up cc clip tree

cc/layers/scrollbar_layer_unittest.cc

 // Copyright 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.
 
 #include <stddef.h>
 
 #include <unordered_map>
 
 #include "base/memory/ptr_util.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 93 matching lines @@
     layer_tree_settings_.single_thread_proxy_scheduler = false;
     layer_tree_settings_.use_zero_copy = true;
     layer_tree_settings_.scrollbar_animator =
         LayerTreeSettings::ANDROID_OVERLAY;
     layer_tree_settings_.scrollbar_show_delay =
         base::TimeDelta::FromMilliseconds(20);
     layer_tree_settings_.scrollbar_fade_out_delay =
         base::TimeDelta::FromMilliseconds(20);
     layer_tree_settings_.scrollbar_fade_out_duration =
         base::TimeDelta::FromMilliseconds(20);
-    layer_tree_settings_.verify_clip_tree_calculations = true;
 
     scrollbar_layer_id_ = -1;
 
     animation_host_ = AnimationHost::CreateForTesting(ThreadInstance::MAIN);
 
     LayerTreeHost::InitParams params;
     params.client = &fake_client_;
     params.settings = &layer_tree_settings_;
     params.task_graph_runner = &task_graph_runner_;
     params.mutator_host = animation_host_.get();
@@ skipping 561 matching lines @@
   EffectNode* node =
       host_impl->active_tree()->property_trees()->effect_tree.Node(
           scrollbar_layer->effect_tree_index());
   EXPECT_EQ(node->opacity, 1.f);
 }
 
 class ScrollbarLayerSolidColorThumbTest : public testing::Test {
  public:
   ScrollbarLayerSolidColorThumbTest() {
     LayerTreeSettings layer_tree_settings;
-    layer_tree_settings.verify_clip_tree_calculations = true;
     host_impl_.reset(new FakeLayerTreeHostImpl(
         layer_tree_settings, &task_runner_provider_, &task_graph_runner_));
 
     const int kThumbThickness = 3;
     const int kTrackStart = 0;
     const bool kIsLeftSideVerticalScrollbar = false;
     const bool kIsOverlayScrollbar = false;
 
     horizontal_scrollbar_layer_ =
         SolidColorScrollbarLayerImpl::Create(host_impl_->active_tree(),
@@ skipping 460 matching lines @@
   TestScale(gfx::Rect(1240, 0, 15, 1333), 2.7754839f);
   TestScale(gfx::Rect(1240, 0, 15, 677), 2.46677136f);
 
   // Horizontal Scrollbars.
   TestScale(gfx::Rect(0, 1240, 1333, 15), 2.7754839f);
   TestScale(gfx::Rect(0, 1240, 677, 15), 2.46677136f);
 }
 
 }  // namespace
 }  // namespace cc