win: Add implementation of ScopedTempDir

util/test/scoped_temp_dir_test.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,
@@ skipping 44 matching lines @@
   return true;
 }
 
 void CreateFile(const base::FilePath& path) {
 #if defined(OS_POSIX)
   int fd = HANDLE_EINTR(creat(path.value().c_str(), 0644));
   ASSERT_GE(fd, 0) << ErrnoMessage("creat") << " " << path.value();
   ASSERT_EQ(0, IGNORE_EINTR(close(fd)))
       << ErrnoMessage("close") << " " << path.value();
 #elif defined(OS_WIN)
-  int fd = _wcreat(path.value().c_str(), 0644);
+  int fd = _wcreat(path.value().c_str(), _S_IREAD | _S_IWRITE);
   ASSERT_GE(fd, 0) << ErrnoMessage("_wcreat") << " " << path.value();
   ASSERT_EQ(0, _close(fd)) << ErrnoMessage("_close") << " " << path.value();
 #else
 #error "Not implemented"
 #endif
   EXPECT_TRUE(FileExists(path));
 }
 
 void CreateDirectory(const base::FilePath& path) {
 #if defined(OS_POSIX)
@@ skipping 58 matching lines @@
 
   EXPECT_FALSE(FileExists(file1));
   EXPECT_FALSE(FileExists(file2));
   EXPECT_FALSE(FileExists(child_dir));
   EXPECT_FALSE(FileExists(parent));
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace crashpad