Make nt_registry Create/OpenRegKey return a scoped object

chrome/install_static/install_util.cc

Index: chrome/install_static/install_util.cc
diff --git a/chrome/install_static/install_util.cc b/chrome/install_static/install_util.cc
index edec76d2e567b011248c619f0f601cedeb09bc7a..fae64aa1b8b15b4eb9ba22fae747c0df60ca5e1f 100644
--- a/chrome/install_static/install_util.cc
+++ b/chrome/install_static/install_util.cc
@@ -412,16 +412,13 @@ bool GetCollectStatsInSample() {
 bool SetCollectStatsInSample(bool in_sample) {
   std::wstring registry_path = GetChromeInstallRegistryPath();
 
-  HANDLE key_handle = INVALID_HANDLE_VALUE;
-  if (!nt::CreateRegKey(nt::HKCU, registry_path.c_str(),
-                        KEY_SET_VALUE | KEY_WOW64_32KEY, &key_handle)) {
+  nt::ScopedRegKeyHANDLE key = nt::CreateRegKey(
+      nt::HKCU, registry_path.c_str(), KEY_SET_VALUE | KEY_WOW64_32KEY);
+  if (!key.is_valid())
     return false;
-  }
 
-  bool success = nt::SetRegValueDWORD(key_handle, kRegValueChromeStatsSample,
-                                      in_sample ? 1 : 0);
-  nt::CloseRegKey(key_handle);
-  return success;
+  return nt::SetRegValueDWORD(key.get(), kRegValueChromeStatsSample,
+                              in_sample ? 1 : 0);
 }
 
 bool ReportingIsEnforcedByPolicy(bool* crash_reporting_enabled) {