Convert //sandbox to use std::unique_ptr

sandbox/linux/suid/client/setuid_sandbox_host_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 "sandbox/linux/suid/client/setuid_sandbox_host.h"
 
+#include <memory>
 #include <string>
 
 #include "base/environment.h"
 #include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/strings/string_number_conversions.h"
 #include "sandbox/linux/suid/common/sandbox.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace sandbox {
 
 TEST(SetuidSandboxHost, SetupLaunchEnvironment) {
   const char kTestValue[] = "This is a test";
-  scoped_ptr<base::Environment> env(base::Environment::Create());
+  std::unique_ptr<base::Environment> env(base::Environment::Create());
   EXPECT_TRUE(env != NULL);
 
   std::string saved_ld_preload;
   bool environment_had_ld_preload;
   // First, back-up the real LD_PRELOAD if any.
   environment_had_ld_preload = env->GetVar("LD_PRELOAD", &saved_ld_preload);
   // Setup environment variables to save or not save.
   EXPECT_TRUE(env->SetVar("LD_PRELOAD", kTestValue));
   EXPECT_TRUE(env->UnSetVar("LD_ORIGIN_PATH"));
 
-  scoped_ptr<SetuidSandboxHost> sandbox_host(SetuidSandboxHost::Create());
+  std::unique_ptr<SetuidSandboxHost> sandbox_host(SetuidSandboxHost::Create());
   EXPECT_TRUE(sandbox_host != NULL);
 
   // Make sure the environment is clean.
   EXPECT_TRUE(env->UnSetVar(kSandboxEnvironmentApiRequest));
   EXPECT_TRUE(env->UnSetVar(kSandboxEnvironmentApiProvides));
 
   sandbox_host->SetupLaunchEnvironment();
 
   // Check if the requested API environment was set.
   std::string api_request;
@@ skipping 15 matching lines @@
   if (environment_had_ld_preload) {
     EXPECT_TRUE(env->SetVar("LD_PRELOAD", saved_ld_preload));
   } else {
     EXPECT_TRUE(env->UnSetVar("LD_PRELOAD"));
   }
 }
 
 // This test doesn't accomplish much, but will make sure that analysis tools
 // will run this codepath.
 TEST(SetuidSandboxHost, GetSandboxBinaryPath) {
-  scoped_ptr<SetuidSandboxHost> setuid_sandbox_host(
+  std::unique_ptr<SetuidSandboxHost> setuid_sandbox_host(
       SetuidSandboxHost::Create());
   ignore_result(setuid_sandbox_host->GetSandboxBinaryPath());
 }
 
 }  // namespace sandbox