116 std::u16string ToLowerASCII(std::u16string_view str) {  in ToLowerASCII()
117   return ToLowerASCIIImpl<std::u16string>(str);  in ToLowerASCII()
124 std::u16string ToUpperASCII(std::u16string_view str) {  in ToUpperASCII()
125   return ToUpperASCIIImpl<std::u16string>(str);  in ToUpperASCII()
161   return CompareCaseInsensitiveASCIIT<std::u16string>(a, b);  in CompareCaseInsensitiveASCII()
173   return CompareCaseInsensitiveASCIIT<std::u16string>(a, b) == 0;  in EqualsCaseInsensitiveASCII()
183 bool ReplaceChars(const std::u16string& input,  in ReplaceChars()
185                   const std::u16string& replace_with,  in ReplaceChars()
186                   std::u16string* output) {  in ReplaceChars()
199 bool RemoveChars(const std::u16string& input,  in RemoveChars()
201                  std::u16string* output) {  in RemoveChars()
249 bool TrimString(const std::u16string& input,  in TrimString()
251                 std::u16string* output) {  in TrimString()
325 TrimPositions TrimWhitespace(const std::u16string& input,  in TrimWhitespace()
327                              std::u16string* output) {  in TrimWhitespace()
391 std::u16string CollapseWhitespace(const std::u16string& text,  in CollapseWhitespace()
497   return DoLowerCaseEqualsASCII<std::u16string>(str, lowercase_ascii);  in LowerCaseEqualsASCII()
575   return EndsWithT<std::u16string>(str, search_for, case_sensitivity);  in EndsWith()
601 std::u16string FormatBytesUnlocalized(int64_t bytes) {  in FormatBytesUnlocalized()
812 void ReplaceFirstSubstringAfterOffset(std::u16string* str,  in ReplaceFirstSubstringAfterOffset()
817                               SubstringMatcher<std::u16string>{find_this},  in ReplaceFirstSubstringAfterOffset()
830 void ReplaceSubstringsAfterOffset(std::u16string* str,  in ReplaceSubstringsAfterOffset()
835                               SubstringMatcher<std::u16string>{find_this},  in ReplaceSubstringsAfterOffset()
861 char16_t* WriteInto(std::u16string* str, size_t length_with_null) {  in WriteInto()
908 std::u16string JoinString(const std::vector<std::u16string>& parts,  in JoinString()
923 std::u16string JoinString(const std::vector<std::u16string_view>& parts,  in JoinString()
933 std::u16string JoinString(std::initializer_list<std::u16string_view> parts,  in JoinString()
993 std::u16string ReplaceStringPlaceholders(  in ReplaceStringPlaceholders()
994     const std::u16string& format_string,  in ReplaceStringPlaceholders()
995     const std::vector<std::u16string>& subst,  in ReplaceStringPlaceholders()
1006 std::u16string ReplaceStringPlaceholders(const std::u16string& format_string,  in ReplaceStringPlaceholders()
1007                                          const std::u16string& a,  in ReplaceStringPlaceholders()
1010   std::vector<std::u16string> subst;  in ReplaceStringPlaceholders()
1012   std::u16string result =  in ReplaceStringPlaceholders()