Convert //base to use std::unique_ptr

base/test/launcher/test_launcher.cc

Index: base/test/launcher/test_launcher.cc
diff --git a/base/test/launcher/test_launcher.cc b/base/test/launcher/test_launcher.cc
index 65471c7c406e2310ac04d762e74c9436da6a48d9..df5ca0a40ecf1c6c29f60787cc496b15e0e93f83 100644
--- a/base/test/launcher/test_launcher.cc
+++ b/base/test/launcher/test_launcher.cc
@@ -4,6 +4,8 @@
 
 #include "base/test/launcher/test_launcher.h"
 
+#include <memory>
+
 #include "base/at_exit.h"
 #include "base/bind.h"
 #include "base/command_line.h"
@@ -17,7 +19,6 @@
 #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"
@@ -170,7 +171,7 @@ class SignalFDWatcher : public MessageLoopForIO::Watcher {
 // 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))
@@ -192,7 +193,7 @@ bool TakeInt32FromEnvironment(const char* const var, int32_t* result) {
 // 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))
@@ -205,7 +206,7 @@ bool UnsetEnvironmentVariableIfExists(const std::string& name) {
 // 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");