Create net::FormatOriginForDisplay helper function.

base/strings/utf_string_conversions.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_STRINGS_UTF_STRING_CONVERSIONS_H_
 #define BASE_STRINGS_UTF_STRING_CONVERSIONS_H_
 
 #include <string>
 
 #include "base/base_export.h"
 #include "base/strings/string16.h"
 #include "base/strings/string_piece.h"
 
 namespace base {
 
 // These convert between UTF-8, -16, and -32 strings. They are potentially slow,
 // so avoid unnecessary conversions. The low-level versions return a boolean
-// indicating whether the conversion was 100% valid. In this case, it will still
-// do the best it can and put the result in the output buffer. The versions that
-// return strings ignore this error and just return the best conversion
-// possible.
+// indicating whether the conversion was 100% valid. In case the conversion is
+// not 100% valid, these functions will still do the best they can and put the
+// result in the output buffer. The versions that return strings ignore this
+// error and just return the best conversion possible.
 BASE_EXPORT bool WideToUTF8(const wchar_t* src, size_t src_len,
                             std::string* output);
 BASE_EXPORT std::string WideToUTF8(const std::wstring& wide);
 BASE_EXPORT bool UTF8ToWide(const char* src, size_t src_len,
                             std::wstring* output);
 BASE_EXPORT std::wstring UTF8ToWide(const StringPiece& utf8);
 
 BASE_EXPORT bool WideToUTF16(const wchar_t* src, size_t src_len,
                              string16* output);
 BASE_EXPORT string16 WideToUTF16(const std::wstring& wide);
 BASE_EXPORT bool UTF16ToWide(const char16* src, size_t src_len,
                              std::wstring* output);
 BASE_EXPORT std::wstring UTF16ToWide(const string16& utf16);
 
 BASE_EXPORT bool UTF8ToUTF16(const char* src, size_t src_len, string16* output);
 BASE_EXPORT string16 UTF8ToUTF16(const StringPiece& utf8);
 BASE_EXPORT bool UTF16ToUTF8(const char16* src, size_t src_len,
                              std::string* output);
 BASE_EXPORT std::string UTF16ToUTF8(const string16& utf16);
 
-// This converts an ASCII string, typically a hardcoded constant, to a UTF16
+// This converts an ASCII string, typically a hardcoded constant, to a UTF-16
 // string.
 BASE_EXPORT string16 ASCIIToUTF16(const StringPiece& ascii);
 
 // Converts to 7-bit ASCII by truncating. The result must be known to be ASCII
 // beforehand.
 BASE_EXPORT std::string UTF16ToASCII(const string16& utf16);
 
 }  // namespace base
 
 #endif  // BASE_STRINGS_UTF_STRING_CONVERSIONS_H_