Replace ICU encoding detection with CED

base/i18n/icu_encoding_detection.h

-// Copyright (c) 2011 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.
-
-#ifndef BASE_I18N_ICU_ENCODING_DETECTION_H_
-#define BASE_I18N_ICU_ENCODING_DETECTION_H_
-
-#include <string>
-#include <vector>
-
-#include "base/i18n/base_i18n_export.h"
-
-namespace base {
-
-// Detect encoding of |text| and put the name of encoding (as returned by ICU)
-// in |encoding|. For ASCII texts |encoding| will be set to an empty string.
-// Returns true on success.
-BASE_I18N_EXPORT bool DetectEncoding(const std::string& text,
-                                     std::string* encoding);
-
-// Detect all possible encodings of |text| and put their names
-// (as returned by ICU) in |encodings|. Returns true on success.
-// Note: this function may return encodings that may fail to decode |text|,
-// the caller is responsible for handling that.
-BASE_I18N_EXPORT bool DetectAllEncodings(const std::string& text,
-                                         std::vector<std::string>* encodings);
-
-}  // namespace base
-
-#endif  // BASE_I18N_ICU_ENCODING_DETECTION_H_