Convert //chrome/browser/sync from scoped_ptr to std::unique_ptr

chrome/browser/sync/test/integration/wifi_credentials_helper.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 "chrome/browser/sync/test/integration/wifi_credentials_helper.h"
 
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "build/build_config.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 111 matching lines @@
     WifiCredentialSet other_profile_credentials =
         GetWifiCredentialsForProfile(test()->GetProfile(i));
     if (!CredentialsMatch(profile0_credentials, other_profile_credentials)) {
       LOG(ERROR) << "Profile " << i << " " << "does not match with profile 0.";
       return false;
     }
   }
   return true;
 }
 
-scoped_ptr<WifiCredential> MakeWifiCredential(const std::string& ssid,
-                                              WifiSecurityClass security_class,
-                                              const std::string& passphrase) {
+std::unique_ptr<WifiCredential> MakeWifiCredential(
+    const std::string& ssid,
+    WifiSecurityClass security_class,
+    const std::string& passphrase) {
   return WifiCredential::Create(WifiCredential::MakeSsidBytesForTest(ssid),
                                 security_class,
                                 passphrase);
 }
 
 void AddWifiCredential(int profile_index,
                        const std::string& sync_id,
                        const WifiCredential& credential) {
   AddWifiCredentialToProfile(test()->GetProfile(profile_index), credential);
   if (test()->use_verifier())
@@ skipping 10 matching lines @@
 #if defined(OS_CHROMEOS)
   return wifi_credentials_helper::chromeos::
       GetWifiCredentialsForProfileChromeOs(profile);
 #else
   NOTREACHED();
   return WifiCredential::MakeSet();
 #endif
 }
 
 }  // namespace wifi_credentials_helper