Replace unique_ptr.reset(other_unique_ptr.release()) with std::move() in cc/trees/

cc/trees/layer_tree_host_common_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_common.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 5710 matching lines @@
   LayerImpl* render_surface = AddChildToRoot<LayerImpl>();
   LayerImpl* clip_parent = AddChild<LayerImpl>(render_surface);
   clip_parent->SetDrawsContent(true);
   LayerImpl* intervening = AddChild<LayerImpl>(clip_parent);
   intervening->SetDrawsContent(true);
   LayerImpl* clip_child = AddChild<LayerImpl>(intervening);
   clip_child->SetDrawsContent(true);
   clip_child->test_properties()->clip_parent = clip_parent;
   std::unique_ptr<std::set<LayerImpl*>> clip_children(new std::set<LayerImpl*>);
   clip_children->insert(clip_child);
-  clip_parent->test_properties()->clip_children.reset(clip_children.release());
+  clip_parent->test_properties()->clip_children = std::move(clip_children);
 
   intervening->SetMasksToBounds(true);
   clip_parent->SetMasksToBounds(true);
 
   gfx::Transform scale_transform;
   scale_transform.Scale(2, 2);
 
   root->SetBounds(gfx::Size(50, 50));
   render_surface->SetBounds(gfx::Size(10, 10));
   render_surface->test_properties()->force_render_surface = true;
@@ skipping 5024 matching lines @@
   EXPECT_EQ(scroll_child6.id, grand_child10->scroll_tree_index());
   EXPECT_EQ(scroll_root1.id, parent3->scroll_tree_index());
   EXPECT_EQ(scroll_child7.id, child8->scroll_tree_index());
   EXPECT_EQ(scroll_root1.id, parent4->scroll_tree_index());
   EXPECT_EQ(scroll_root1.id, child9->scroll_tree_index());
   EXPECT_EQ(scroll_root1.id, grand_child12->scroll_tree_index());
 }
 
 }  // namespace
 }  // namespace cc