WebRTC's scoped_ptr and scoped_ptr.h are going away, so stop using them

remoting/protocol/channel_socket_adapter_unittest.cc

 // Copyright 2015 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 "remoting/protocol/channel_socket_adapter.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <memory>
@@ skipping 39 matching lines @@
   MOCK_CONST_METHOD0(IsDtlsActive, bool());
   MOCK_CONST_METHOD1(GetSslRole, bool(rtc::SSLRole* role));
   MOCK_METHOD1(SetSrtpCiphers, bool(const std::vector<std::string>& ciphers));
   MOCK_METHOD1(GetSrtpCipher, bool(std::string* cipher));
   MOCK_METHOD1(GetSslCipher, bool(std::string* cipher));
   MOCK_CONST_METHOD0(GetLocalCertificate,
                      rtc::scoped_refptr<rtc::RTCCertificate>());
 
   // This can't be a real mock method because gmock doesn't support move-only
   // return values.
-  rtc::scoped_ptr<rtc::SSLCertificate> GetRemoteSSLCertificate()
+  std::unique_ptr<rtc::SSLCertificate> GetRemoteSSLCertificate()
       const override {
     EXPECT_TRUE(false);  // Never called.
     return nullptr;
   }
 
   MOCK_METHOD6(ExportKeyingMaterial,
                bool(const std::string& label,
                     const uint8_t* context,
                     size_t context_len,
                     bool use_context,
@@ skipping 73 matching lines @@
 
   EXPECT_CALL(channel_, GetError())
       .WillOnce(Return(EWOULDBLOCK));
 
   int result = target_->Send(buffer.get(), kTestDataSize, callback_);
   ASSERT_EQ(net::OK, result);
 }
 
 }  // namespace protocol
 }  // namespace remoting