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

chrome/browser/chromeos/login/lock/screen_locker_tester.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/chromeos/login/lock/screen_locker_tester.h"
 
 #include <string>
 
 #include "base/macros.h"
 #include "base/strings/string_util.h"
@@ skipping 109 matching lines @@
 
 void WebUIScreenLockerTester::SetPassword(const std::string& password) {
   webui()->GetWebContents()->GetMainFrame()->ExecuteJavaScriptForTests(
       base::ASCIIToUTF16(base::StringPrintf(
           "$('pod-row').pods[0].passwordElement.value = '%s';",
           password.c_str())));
 }
 
 std::string WebUIScreenLockerTester::GetPassword() {
   std::string result;
-  scoped_ptr<base::Value> v = content::ExecuteScriptAndGetValue(
+  std::unique_ptr<base::Value> v = content::ExecuteScriptAndGetValue(
       RenderViewHost()->GetMainFrame(),
       "$('pod-row').pods[0].passwordElement.value;");
   CHECK(v->GetAsString(&result));
   return result;
 }
 
 void WebUIScreenLockerTester::EnterPassword(const std::string& password) {
   bool result;
   SetPassword(password);
 
   // Verify password is set.
   ASSERT_EQ(password, GetPassword());
 
   // Verify that "reauth" warning is hidden.
-  scoped_ptr<base::Value> v = content::ExecuteScriptAndGetValue(
+  std::unique_ptr<base::Value> v = content::ExecuteScriptAndGetValue(
       RenderViewHost()->GetMainFrame(),
       "window.getComputedStyle("
       "    $('pod-row').pods[0].querySelector('.reauth-hint-container'))"
       "        .display == 'none'");
   ASSERT_TRUE(v->GetAsBoolean(&result));
   ASSERT_TRUE(result);
 
   // Attempt to sign in.
   LoginAttemptObserver login;
   v = content::ExecuteScriptAndGetValue(
@@ skipping 54 matching lines @@
       new FakeExtendedAuthenticator(ScreenLocker::screen_locker_, user_context);
 }
 
 }  // namespace test
 
 test::ScreenLockerTester* ScreenLocker::GetTester() {
   return new test::WebUIScreenLockerTester();
 }
 
 }  // namespace chromeos