Convert //base to use std::unique_ptr

base/test/launcher/test_launcher.cc

 // Copyright 2013 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 "base/test/launcher/test_launcher.h"
 
+#include <memory>
+
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_file.h"
 #include "base/format_macros.h"
 #include "base/hash.h"
 #include "base/lazy_instance.h"
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/process/kill.h"
 #include "base/process/launch.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/pattern.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_split.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringize_macros.h"
 #include "base/strings/stringprintf.h"
@@ skipping 132 matching lines @@
 
  private:
   DISALLOW_COPY_AND_ASSIGN(SignalFDWatcher);
 };
 #endif  // defined(OS_POSIX)
 
 // Parses the environment variable var as an Int32.  If it is unset, returns
 // true.  If it is set, unsets it then converts it to Int32 before
 // returning it in |result|.  Returns true on success.
 bool TakeInt32FromEnvironment(const char* const var, int32_t* result) {
-  scoped_ptr<Environment> env(Environment::Create());
+  std::unique_ptr<Environment> env(Environment::Create());
   std::string str_val;
 
   if (!env->GetVar(var, &str_val))
     return true;
 
   if (!env->UnSetVar(var)) {
     LOG(ERROR) << "Invalid environment: we could not unset " << var << ".\n";
     return false;
   }
 
   if (!StringToInt(str_val, result)) {
     LOG(ERROR) << "Invalid environment: " << var << " is not an integer.\n";
     return false;
   }
 
   return true;
 }
 
 // Unsets the environment variable |name| and returns true on success.
 // Also returns true if the variable just doesn't exist.
 bool UnsetEnvironmentVariableIfExists(const std::string& name) {
-  scoped_ptr<Environment> env(Environment::Create());
+  std::unique_ptr<Environment> env(Environment::Create());
   std::string str_val;
 
   if (!env->GetVar(name.c_str(), &str_val))
     return true;
 
   return env->UnSetVar(name.c_str());
 }
 
 // Returns true if bot mode has been requested, i.e. defaults optimized
 // for continuous integration bots. This way developers don't have to remember
 // special command-line flags.
 bool BotModeEnabled() {
-  scoped_ptr<Environment> env(Environment::Create());
+  std::unique_ptr<Environment> env(Environment::Create());
   return CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kTestLauncherBotMode) ||
       env->HasVar("CHROMIUM_TEST_LAUNCHER_BOT_MODE");
 }
 
 // Returns command line command line after gtest-specific processing
 // and applying |wrapper|.
 CommandLine PrepareCommandLineForGTest(const CommandLine& command_line,
                                        const std::string& wrapper) {
   CommandLine new_command_line(command_line.GetProgram());
@@ skipping 901 matching lines @@
   }
 
   std::string snippet(full_output.substr(run_pos));
   if (end_pos != std::string::npos)
     snippet = full_output.substr(run_pos, end_pos - run_pos);
 
   return snippet;
 }
 
 }  // namespace base