cc : Clean up cc clip tree

cc/trees/layer_tree_host_impl_unittest.cc

 // Copyright 2011 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 "cc/trees/layer_tree_host_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <cmath>
@@ skipping 104 matching lines @@
         did_complete_page_scale_animation_(false),
         reduce_memory_result_(true),
         did_request_impl_side_invalidation_(false) {
     media::InitializeMediaLibrary();
   }
 
   LayerTreeSettings DefaultSettings() {
     LayerTreeSettings settings;
     settings.minimum_occlusion_tracking_size = gfx::Size();
     settings.renderer_settings.texture_id_allocation_chunk_size = 1;
-    settings.verify_clip_tree_calculations = true;
     settings.renderer_settings.buffer_to_texture_target_map =
         DefaultBufferToTextureTargetMapForTesting();
     return settings;
   }
 
   void SetUp() override {
     CreateHostImpl(DefaultSettings(), CreateCompositorFrameSink());
   }
 
   void TearDown() override {
@@ skipping 11928 matching lines @@
     else
       EXPECT_FALSE(tile->HasRasterTask());
   }
   Region expected_invalidation(
       raster_source->GetRectForImage(checkerable_image->uniqueID()));
   EXPECT_EQ(expected_invalidation, *(root->GetPendingInvalidation()));
 }
 
 }  // namespace
 }  // namespace cc