Re-write many calls to WrapUnique() with MakeUnique()

chrome/installer/util/lzma_file_allocator_unittest.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/installer/util/lzma_file_allocator.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
@@ skipping 46 matching lines @@
 TEST_F(LzmaFileAllocatorTest, SizeIsZeroTest) {
   LzmaFileAllocator allocator(temp_dir_.path());
   char* s = reinterpret_cast<char*>(IAlloc_Alloc(&allocator, 0));
   EXPECT_EQ(s, nullptr);
 
   IAlloc_Free(&allocator, s);
 }
 
 TEST_F(LzmaFileAllocatorTest, DeleteAfterCloseTest) {
   std::unique_ptr<LzmaFileAllocator> allocator =
-      base::WrapUnique(new LzmaFileAllocator(temp_dir_.path()));
+      base::MakeUnique<LzmaFileAllocator>(temp_dir_.path());
   base::FilePath file_path = allocator->mapped_file_path_;
   ASSERT_TRUE(base::PathExists(file_path));
   allocator.reset();
   ASSERT_FALSE(base::PathExists(file_path));
 }
 
 TEST_F(LzmaFileAllocatorTest, ErrorAndFallbackTest) {
   LzmaFileAllocator allocator(temp_dir_.path());
   allocator.mapped_file_.Close();
   char* s = reinterpret_cast<char*>(IAlloc_Alloc(&allocator, 10));
   EXPECT_NE(nullptr, s);
   ASSERT_FALSE(allocator.file_mapping_handle_.IsValid());
   EXPECT_EQ(static_cast<DWORD>(MEM_PRIVATE), GetMemoryType(s));
 
   IAlloc_Free(&allocator, s);
 }