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

content/child/webcrypto/generate_key_result.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/generate_key_result.h"
-
-#include "base/logging.h"
-
-namespace content {
-
-namespace webcrypto {
-
-GenerateKeyResult::GenerateKeyResult() : type_(TYPE_NULL) {
-}
-
-GenerateKeyResult::Type GenerateKeyResult::type() const {
-  return type_;
-}
-
-const blink::WebCryptoKey& GenerateKeyResult::secret_key() const {
-  DCHECK_EQ(TYPE_SECRET_KEY, type_);
-  return secret_key_;
-}
-
-const blink::WebCryptoKey& GenerateKeyResult::public_key() const {
-  DCHECK_EQ(TYPE_PUBLIC_PRIVATE_KEY_PAIR, type_);
-  return public_key_;
-}
-
-const blink::WebCryptoKey& GenerateKeyResult::private_key() const {
-  DCHECK_EQ(TYPE_PUBLIC_PRIVATE_KEY_PAIR, type_);
-  return private_key_;
-}
-
-void GenerateKeyResult::AssignSecretKey(const blink::WebCryptoKey& key) {
-  type_ = TYPE_SECRET_KEY;
-  secret_key_ = key;
-}
-
-void GenerateKeyResult::AssignKeyPair(const blink::WebCryptoKey& public_key,
-                                      const blink::WebCryptoKey& private_key) {
-  type_ = TYPE_PUBLIC_PRIVATE_KEY_PAIR;
-  public_key_ = public_key;
-  private_key_ = private_key;
-}
-
-void GenerateKeyResult::Complete(blink::WebCryptoResult* out) const {
-  switch (type_) {
-    case TYPE_NULL:
-      NOTREACHED();
-      break;
-    case TYPE_SECRET_KEY:
-      out->completeWithKey(secret_key());
-      break;
-    case TYPE_PUBLIC_PRIVATE_KEY_PAIR:
-      out->completeWithKeyPair(public_key(), private_key());
-      break;
-  }
-}
-
-}  // namespace webcrypto
-
-}  // namespace content