Re-enable handle closer on Windows 10.

sandbox/win/src/target_services.cc

Index: sandbox/win/src/target_services.cc
diff --git a/sandbox/win/src/target_services.cc b/sandbox/win/src/target_services.cc
index 518507e95dc8a4ea13f515364d29db73a0239275..b43a3b8a8a72492c9bccf079cfc0b927b209e98c 100644
--- a/sandbox/win/src/target_services.cc
+++ b/sandbox/win/src/target_services.cc
@@ -46,13 +46,6 @@ bool FlushCachedRegHandles() {
 
 // Checks if we have handle entries pending and runs the closer.
 bool CloseOpenHandles() {
-  // Windows 10 has FLG_ENABLE_HANDLE_EXCEPTIONS enabled by default so causes
-  // exceptions to be raised if target process attempts to close a handle that
-  // has already been closed by HandleCloser.  Therefore, do not close any
-  // handles on Windows 10 until this flag is removed by MS.
-  // See crbug.com/452613.
-  if (base::win::GetVersion() == base::win::VERSION_WIN10)
-    return true;
   if (sandbox::HandleCloserAgent::NeedsHandlesClosed()) {
     sandbox::HandleCloserAgent handle_closer;