OwnerKeyUtil is moved to components/ownership.

components/ownership/owner_key_util_impl.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 "components/ownership/owner_key_util_impl.h"
+
+#include <limits>
+
+#include "base/file_util.h"
+#include "base/logging.h"
+#include "crypto/rsa_private_key.h"
+
+namespace ownership {
+
+OwnerKeyUtilImpl::OwnerKeyUtilImpl(const base::FilePath& public_key_file)
+    : public_key_file_(public_key_file) {
+}
+
+OwnerKeyUtilImpl::~OwnerKeyUtilImpl() {
+}
+
+bool OwnerKeyUtilImpl::ImportPublicKey(std::vector<uint8>* output) {
+  // Get the file size (must fit in a 32 bit int for NSS).
+  int64 file_size;
+  if (!base::GetFileSize(public_key_file_, &file_size)) {
+#if defined(OS_CHROMEOS)
+    LOG(ERROR) << "Could not get size of " << public_key_file_.value();
+#endif  // defined(OS_CHROMEOS)
+    return false;
+  }
+  if (file_size > static_cast<int64>(std::numeric_limits<int>::max())) {
+    LOG(ERROR) << public_key_file_.value() << "is " << file_size
+               << "bytes!!!  Too big!";
+    return false;
+  }
+  int32 safe_file_size = static_cast<int32>(file_size);
+
+  output->resize(safe_file_size);
+
+  if (safe_file_size == 0) {
+    LOG(WARNING) << "Public key file is empty. This seems wrong.";
+    return false;
+  }
+
+  // Get the key data off of disk
+  int data_read =
+      base::ReadFile(public_key_file_,
+                     reinterpret_cast<char*>(vector_as_array(output)),
+                     safe_file_size);
+  return data_read == safe_file_size;
+}
+
+#if defined(USE_NSS)
+crypto::RSAPrivateKey* OwnerKeyUtilImpl::FindPrivateKeyInSlot(
+    const std::vector<uint8>& key,
+    PK11SlotInfo* slot) {
+  return crypto::RSAPrivateKey::FindFromPublicKeyInfoInSlot(key, slot);
+}
+#endif  // defined(USE_NSS)
+
+bool OwnerKeyUtilImpl::IsPublicKeyPresent() {
+  return base::PathExists(public_key_file_);
+}
+
+}  // namespace ownership