Move |GetCanonicalEncodingNameByAliasName| to base/i18n

base/i18n/character_encoding.h

Index: base/i18n/character_encoding.h
diff --git a/base/i18n/character_encoding.h b/base/i18n/character_encoding.h
new file mode 100644
index 0000000000000000000000000000000000000000..5539ba451d93fa9c47b713157b092a0e401e0564
--- /dev/null
+++ b/base/i18n/character_encoding.h
@@ -0,0 +1,20 @@
+// Copyright 2016 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_CHARACTER_ENCODING_H_
+#define BASE_I18N_CHARACTER_ENCODING_H_
+
+#include <string>
+
+#include "base/i18n/base_i18n_export.h"
+
+namespace base {
+
+// Return canonical encoding name according to the encoding alias name.
+BASE_I18N_EXPORT const char* GetCanonicalEncodingNameByAliasName(
+    const std::string& alias_name);
+
+}  // namespace base
+
+#endif  // BASE_I18N_CHARACTER_ENCODING_H_