html_viewer: Move webcrypto to a place where html_viewer can use it.

content/child/webcrypto/crypto_data.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 "content/child/webcrypto/crypto_data.h"
-#include "base/stl_util.h"
-
-namespace content {
-
-namespace webcrypto {
-
-CryptoData::CryptoData() : bytes_(NULL), byte_length_(0) {
-}
-
-CryptoData::CryptoData(const unsigned char* bytes, unsigned int byte_length)
-    : bytes_(bytes), byte_length_(byte_length) {
-}
-
-CryptoData::CryptoData(const std::vector<unsigned char>& bytes)
-    : bytes_(vector_as_array(&bytes)), byte_length_(bytes.size()) {
-}
-
-CryptoData::CryptoData(const std::string& bytes)
-    : bytes_(bytes.size() ? reinterpret_cast<const unsigned char*>(bytes.data())
-                          : NULL),
-      byte_length_(bytes.size()) {
-}
-
-CryptoData::CryptoData(const blink::WebVector<unsigned char>& bytes)
-    : bytes_(bytes.data()), byte_length_(bytes.size()) {
-}
-
-}  // namespace webcrypto
-
-}  // namespace content