Recursively load mojo packages

mojo/tools/package_manager/unpacker.cc

 // Copyright 2014 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 "mojo/tools/package_manager/unpacker.h"
 
 #include "base/files/file_util.h"
 #include "base/logging.h"
 #include "third_party/zlib/google/zip.h"
 
 namespace mojo {
 
 Unpacker::Unpacker() {
 }
 
 Unpacker::~Unpacker() {
-  if (!dir_.empty()) {
-    printf("Deleting %s\n", dir_.value().c_str());
-    //DeleteFile(dir_, true);
-  }
+  if (!dir_.empty())
+    DeleteFile(dir_, true);
 }
 
 bool Unpacker::Unpack(const base::FilePath& zip_file) {
   DCHECK(zip_file_.empty());
   zip_file_ = zip_file;
 
   DCHECK(dir_.empty());
   if (!CreateNewTempDirectory(base::FilePath::StringType(), &dir_))
     return false;
   if (!zip::Unzip(zip_file, dir_)) {
     dir_ = base::FilePath();
     return false;
   }
   return true;
 }
 
 }  // namespace mojo