Clarifying the parameters ownership of BrowserChildProcessHost::Launch()

components/nacl/browser/nacl_broker_host_win.cc

Index: components/nacl/browser/nacl_broker_host_win.cc
diff --git a/components/nacl/browser/nacl_broker_host_win.cc b/components/nacl/browser/nacl_broker_host_win.cc
index fb6cd81b1a95f69cd78cca98dd8354644e87f8f2..4ad581a21bed3acc8b549f7fa1cccf71f0792d00 100644
--- a/components/nacl/browser/nacl_broker_host_win.cc
+++ b/components/nacl/browser/nacl_broker_host_win.cc
@@ -7,6 +7,7 @@
 #include "base/base_switches.h"
 #include "base/command_line.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "components/nacl/browser/nacl_broker_service_win.h"
 #include "components/nacl/browser/nacl_browser.h"
 #include "components/nacl/common/nacl_cmd_line.h"
@@ -68,8 +69,10 @@ bool NaClBrokerHost::Init() {
   if (NaClBrowser::GetDelegate()->DialogsAreSuppressed())
     cmd_line->AppendSwitch(switches::kNoErrorDialogs);
 
-  process_->Launch(new NaClBrokerSandboxedProcessLauncherDelegate, cmd_line,
-                   true);
+  process_->Launch(
+      base::MakeUnique<NaClBrokerSandboxedProcessLauncherDelegate>(),
+      base::WrapUnique(cmd_line),
+      true);
   return true;
 }