Validate that zip entry filenames are UTF8.

chrome/common/safe_browsing/zip_analyzer_results.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.
 //
 // This file contains the zip file analysis implementation for download
 // protection, which runs in a sandboxed utility process.
 
 #include "chrome/common/safe_browsing/zip_analyzer_results.h"
 
 namespace safe_browsing {
 namespace zip_analyzer {
 
-Results::Results() : success(false), has_executable(false), has_archive(false) {
+Results::Results()
+    : success(false),
+      has_executable(false),
+      has_archive(false),
+      has_unsafe_file(false) {
 }
 
 Results::~Results() {
 }
 
 }  // namespace zip_analyzer
 }  // namespace safe_browsing