win: Lower integrity level of connection pipe

test/win/win_child_process.cc

Index: test/win/win_child_process.cc
diff --git a/test/win/win_child_process.cc b/test/win/win_child_process.cc
index 7d179337277ecbf06cde175145fe66ff942d1674..4653f8e44a88ab3596b65650b0a551f14713d283 100644
--- a/test/win/win_child_process.cc
+++ b/test/win/win_child_process.cc
@@ -26,6 +26,7 @@
 #include "util/stdlib/string_number_conversion.h"
 #include "util/string/split_string.h"
 #include "util/win/handle.h"
+#include "util/win/scoped_local_free.h"
 #include "test/paths.h"
 
 namespace crashpad {
@@ -34,15 +35,6 @@ namespace test {
 namespace {
 
 const char kIsMultiprocessChild[] = "--is-multiprocess-child";
-struct LocalFreeTraits {
-  static HLOCAL InvalidValue() { return nullptr; }
-  static void Free(HLOCAL mem) {
-    if (LocalFree(mem) != nullptr)
-      PLOG(ERROR) << "LocalFree";
-  }
-};
-
-using ScopedLocalFree = base::ScopedGeneric<HLOCAL, LocalFreeTraits>;
 
 bool GetSwitch(const char* switch_name, std::string* value) {
   int num_args;