cc: Reduce surface contents scale adjustments.

cc/trees/layer_tree_host_unittest_copyrequest.cc

 // 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.
 
 #include <stddef.h>
 
 #include "base/location.h"
 #include "base/memory/ptr_util.h"
 #include "base/single_thread_task_runner.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 579 matching lines @@
   scoped_refptr<FakePictureLayer> root_;
   scoped_refptr<FakePictureLayer> parent_layer_;
   scoped_refptr<FakePictureLayer> copy_layer_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(LayerTreeHostCopyRequestTestClippedOut);
 
 class LayerTreeHostCopyRequestTestScaledLayer
     : public LayerTreeHostCopyRequestTest {
  protected:
+  void InitializeSettings(LayerTreeSettings* settings) override {
+    settings->layer_transforms_should_scale_layer_contents = true;
+  }
+
   void SetupTree() override {
     root_ = Layer::Create();
     root_->SetBounds(gfx::Size(20, 20));
 
     gfx::Transform scale;
     scale.Scale(2, 2);
 
     copy_layer_ = Layer::Create();
     copy_layer_->SetBounds(gfx::Size(10, 10));
     copy_layer_->SetTransform(scale);
@@ skipping 695 matching lines @@
   int num_draws_;
   bool copy_happened_;
   bool draw_happened_;
 };
 
 SINGLE_AND_MULTI_THREAD_TEST_F(
     LayerTreeHostCopyRequestTestMultipleDrawsHiddenCopyRequest);
 
 }  // namespace
 }  // namespace cc