Convert //cc from scoped_ptr to std::unique_ptr.

cc/layers/surface_layer_unittest.cc

 // Copyright 2014 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 <stdint.h>
 
 #include <set>
 #include <vector>
 
 #include "base/location.h"
@@ skipping 30 matching lines @@
 
   void TearDown() override {
     if (layer_tree_host_) {
       layer_tree_host_->SetRootLayer(nullptr);
       layer_tree_host_ = nullptr;
     }
   }
 
   FakeLayerTreeHostClient fake_client_;
   TestTaskGraphRunner task_graph_runner_;
-  scoped_ptr<FakeLayerTreeHost> layer_tree_host_;
+  std::unique_ptr<FakeLayerTreeHost> layer_tree_host_;
 };
 
 void SatisfyCallback(SurfaceSequence* out, SurfaceSequence in) {
   *out = in;
 }
 
 void RequireCallback(SurfaceId* out_id,
                      std::set<SurfaceSequence>* out,
                      SurfaceId in_id,
                      SurfaceSequence in) {
   *out_id = in_id;
   out->insert(in);
 }
 
 // Check that one surface can be referenced by multiple LayerTreeHosts, and
 // each will create its own SurfaceSequence that's satisfied on destruction.
 TEST_F(SurfaceLayerTest, MultipleFramesOneSurface) {
   SurfaceSequence blank_change;  // Receives sequence if commit doesn't happen.
 
   SurfaceId required_id;
   std::set<SurfaceSequence> required_seq;
   scoped_refptr<SurfaceLayer> layer(SurfaceLayer::Create(
       base::Bind(&SatisfyCallback, &blank_change),
       base::Bind(&RequireCallback, &required_id, &required_seq)));
   layer->SetSurfaceId(SurfaceId(1), 1.f, gfx::Size(1, 1));
   layer_tree_host_->set_surface_id_namespace(1);
   layer_tree_host_->SetRootLayer(layer);
 
-  scoped_ptr<FakeLayerTreeHost> layer_tree_host2 =
+  std::unique_ptr<FakeLayerTreeHost> layer_tree_host2 =
       FakeLayerTreeHost::Create(&fake_client_, &task_graph_runner_);
   scoped_refptr<SurfaceLayer> layer2(SurfaceLayer::Create(
       base::Bind(&SatisfyCallback, &blank_change),
       base::Bind(&RequireCallback, &required_id, &required_seq)));
   layer2->SetSurfaceId(SurfaceId(1), 1.f, gfx::Size(1, 1));
   layer_tree_host2->set_surface_id_namespace(2);
   layer_tree_host2->SetRootLayer(layer2);
 
   // Layers haven't been removed, so no sequence should be satisfied.
   EXPECT_TRUE(blank_change.is_null());
@@ skipping 162 matching lines @@
     EXPECT_EQ(1u, required_set_.size());
     // Sequence should have been satisfied with the callback.
     EXPECT_TRUE(satisfied_sequence_ == SurfaceSequence(1u, 1u));
   }
 };
 
 MULTI_THREAD_TEST_F(SurfaceLayerSwapPromiseWithoutDraw);
 
 }  // namespace
 }  // namespace cc