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

cc/test/remote_channel_impl_for_test.h

 // 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.
 
 #ifndef CC_TEST_REMOTE_CHANNEL_IMPL_FOR_TEST_H_
 #define CC_TEST_REMOTE_CHANNEL_IMPL_FOR_TEST_H_
 
 #include "base/macros.h"
 #include "cc/test/proxy_impl_for_test.h"
 #include "cc/test/test_hooks.h"
 #include "cc/trees/remote_channel_impl.h"
 
 namespace cc {
 
 class RemoteChannelImplForTest : public RemoteChannelImpl {
  public:
-  static scoped_ptr<RemoteChannelImplForTest> Create(
+  static std::unique_ptr<RemoteChannelImplForTest> Create(
       TestHooks* test_hooks,
       LayerTreeHost* layer_tree_host,
       RemoteProtoChannel* remote_proto_channel,
       TaskRunnerProvider* task_runner_provider);
 
   ProxyImplForTest* proxy_impl_for_test() const { return proxy_impl_for_test_; }
 
  private:
   RemoteChannelImplForTest(TestHooks* test_hooks,
                            LayerTreeHost* layer_tree_host,
                            RemoteProtoChannel* remote_proto_channel,
                            TaskRunnerProvider* task_runner_provider);
 
-  scoped_ptr<ProxyImpl> CreateProxyImpl(
+  std::unique_ptr<ProxyImpl> CreateProxyImpl(
       ChannelImpl* channel_impl,
       LayerTreeHost* layer_tree_host,
       TaskRunnerProvider* task_runner_provider,
-      scoped_ptr<BeginFrameSource> external_begin_frame_source) override;
+      std::unique_ptr<BeginFrameSource> external_begin_frame_source) override;
 
   TestHooks* test_hooks_;
   ProxyImplForTest* proxy_impl_for_test_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_REMOTE_CHANNEL_IMPL_FOR_TEST_H_