Get rid of wstring variants of StringToFoo.

base/string_util.h

 // Copyright (c) 2006-2008 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.
 //
 // This file defines utility functions for working with strings.
 
 #ifndef BASE_STRING_UTIL_H_
 #define BASE_STRING_UTIL_H_
 
 #include <stdarg.h>   // va_list
@@ skipping 390 matching lines @@
 // setting |*output| to the result of the conversion.  Returns true for
 // "perfect" conversions; returns false in the following cases:
 //  - Overflow/underflow.  |*output| will be set to the maximum value supported
 //    by the data type.
 //  - Trailing characters in the string after parsing the number.  |*output|
 //    will be set to the value of the number that was parsed.
 //  - No characters parseable as a number at the beginning of the string.
 //    |*output| will be set to 0.
 //  - Empty string.  |*output| will be set to 0.
 bool StringToInt(const std::string& input, int* output);
-bool StringToInt(const std::wstring& input, int* output);
+bool StringToInt(const string16& input, int* output);
 bool StringToInt64(const std::string& input, int64* output);
-bool StringToInt64(const std::wstring& input, int64* output);
+bool StringToInt64(const string16& input, int64* output);
 bool HexStringToInt(const std::string& input, int* output);
-bool HexStringToInt(const std::wstring& input, int* output);
+bool HexStringToInt(const string16& input, int* output);
 
 // Similar to the previous functions, except that output is a vector of bytes.
 // |*output| will contain as many bytes as were successfully parsed prior to the
 // error.  There is no overflow, but input.size() must be evenly divisible by 2.
 // Leading 0x or +/- are not allowed.
 bool HexStringToBytes(const std::string& input, std::vector<uint8>* output);
-bool HexStringToBytes(const std::wstring& input, std::vector<uint8>* output);
+bool HexStringToBytes(const string16& input, std::vector<uint8>* output);
 
 // For floating-point conversions, only conversions of input strings in decimal
 // form are defined to work.  Behavior with strings representing floating-point
 // numbers in hexadecimal, and strings representing non-fininte values (such as
 // NaN and inf) is undefined.  Otherwise, these behave the same as the integral
 // variants.  This expects the input string to NOT be specific to the locale.
 // If your input is locale specific, use ICU to read the number.
 bool StringToDouble(const std::string& input, double* output);
-bool StringToDouble(const std::wstring& input, double* output);
+bool StringToDouble(const string16& input, double* output);
 
 // Convenience forms of the above, when the caller is uninterested in the
 // boolean return value.  These return only the |*output| value from the
 // above conversions: a best-effort conversion when possible, otherwise, 0.
 int StringToInt(const std::string& value);
-int StringToInt(const std::wstring& value);
+int StringToInt(const string16& value);
 int64 StringToInt64(const std::string& value);
-int64 StringToInt64(const std::wstring& value);
+int64 StringToInt64(const string16& value);
 int HexStringToInt(const std::string& value);
-int HexStringToInt(const std::wstring& value);
+int HexStringToInt(const string16& value);
 double StringToDouble(const std::string& value);
-double StringToDouble(const std::wstring& value);
+double StringToDouble(const string16& value);
 
 // Return a C++ string given printf-like input.
 std::string StringPrintf(const char* format, ...);
 std::wstring StringPrintf(const wchar_t* format, ...);
 
 // Store result into a supplied string and return it
 const std::string& SStringPrintf(std::string* dst, const char* format, ...);
 const std::wstring& SStringPrintf(std::wstring* dst,
                                   const wchar_t* format, ...);
 
@@ skipping 136 matching lines @@
 // Returns a hex string representation of a binary buffer.
 // The returned hex string will be in upper case.
 // This function does not check if |size| is within reasonable limits since
 // it's written with trusted data in mind.
 // If you suspect that the data you want to format might be large,
 // the absolute max size for |size| should be is
 //   std::numeric_limits<size_t>::max() / 2
 std::string HexEncode(const void* bytes, size_t size);
 
 #endif  // BASE_STRING_UTIL_H_