win: Lower integrity level of connection pipe

test/win/win_child_process.cc

 // Copyright 2015 The Crashpad Authors. All rights reserved.
 //
 // Licensed under the Apache License, Version 2.0 (the "License");
 // you may not use this file except in compliance with the License.
 // You may obtain a copy of the License at
 //
 //     http://www.apache.org/licenses/LICENSE-2.0
 //
 // Unless required by applicable law or agreed to in writing, software
 // distributed under the License is distributed on an "AS IS" BASIS,
 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
 #include "test/win/win_child_process.h"
 
 #include <windows.h>
 #include <shellapi.h>
 
 #include <string>
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "gtest/gtest.h"
 #include "util/stdlib/string_number_conversion.h"
 #include "util/string/split_string.h"
 #include "util/win/handle.h"
+#include "util/win/scoped_local_alloc.h"
 #include "test/paths.h"
 
 namespace crashpad {
 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;
   wchar_t** args = CommandLineToArgvW(GetCommandLine(), &num_args);
-  ScopedLocalFree scoped_args(args);  // Take ownership.
+  ScopedLocalAlloc scoped_args(args);  // Take ownership.
   if (!args) {
     PLOG(FATAL) << "CommandLineToArgvW";
     return false;
   }
 
   std::string switch_name_with_equals(switch_name);
   switch_name_with_equals += "=";
   for (int i = 1; i < num_args; ++i) {
     const wchar_t* arg = args[i];
     std::string arg_as_utf8 = base::UTF16ToUTF8(arg);
@@ skipping 169 matching lines @@
 void WinChildProcess::CloseReadPipe() {
   pipe_read_.reset();
 }
 
 void WinChildProcess::CloseWritePipe() {
   pipe_write_.reset();
 }
 
 }  // namespace test
 }  // namespace crashpad