cc: Compute target space transform dynamically

cc/test/test_layer_tree_host_base.cc

 // Copyright 2016 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/test/test_layer_tree_host_base.h"
 
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_raster_source.h"
 #include "cc/trees/layer_tree_impl.h"
 
@@ skipping 13 matching lines @@
   output_surface_ = CreateOutputSurface();
   task_graph_runner_ = CreateTaskGraphRunner();
   host_impl_ = CreateHostImpl(CreateSettings(), &task_runner_provider_,
                               &shared_bitmap_manager_, task_graph_runner_.get(),
                               &gpu_memory_buffer_manager_);
   InitializeRenderer();
   SetInitialTreePriority();
 }
 
 LayerTreeSettings TestLayerTreeHostBase::CreateSettings() {
-  return LayerTreeSettings();
+  LayerTreeSettings settings;
+  settings.verify_transform_tree_calculations = true;
+  return settings;
 }
 
 std::unique_ptr<OutputSurface> TestLayerTreeHostBase::CreateOutputSurface() {
   return FakeOutputSurface::Create3d();
 }
 
 std::unique_ptr<FakeLayerTreeHostImpl> TestLayerTreeHostBase::CreateHostImpl(
     const LayerTreeSettings& settings,
     TaskRunnerProvider* task_runner_provider,
     SharedBitmapManager* shared_bitmap_manager,
@@ skipping 127 matching lines @@
   state.hard_memory_limit_in_bytes = state.soft_memory_limit_in_bytes * 2;
   state.memory_limit_policy = ALLOW_ANYTHING;
   state.tree_priority = SAME_PRIORITY_FOR_BOTH_TREES;
 
   host_impl_->resource_pool()->SetResourceUsageLimits(
       state.soft_memory_limit_in_bytes, state.num_resources_limit);
   host_impl_->tile_manager()->SetGlobalStateForTesting(state);
 }
 
 }  // namespace cc