29   static std::string PathForRequest(const GURL& url);
34   static std::string SpecForRequest(const GURL& url);
40   static size_t FindDelimiter(const std::string& line,
48   static void ParseContentType(const std::string& content_type_str,
49                                std::string* mime_type,
50                                std::string* charset,
59   static bool ParseRanges(const std::string& headers,
60                           std::vector<HttpByteRange>* ranges);
64   static bool ParseRangeHeader(const std::string& range_specifier,
65                                std::vector<HttpByteRange>* ranges);
70   static bool HasHeader(const std::string& headers, const char* name);
76   static std::string StripHeaders(const std::string& headers,
83   static bool IsNonCoalescingHeader(std::string::const_iterator name_begin,
84                                     std::string::const_iterator name_end);
85   static bool IsNonCoalescingHeader(const std::string& name) {  in IsNonCoalescingHeader()
95   static void TrimLWS(std::string::const_iterator* begin,
96                       std::string::const_iterator* end);
106   static std::string Unquote(std::string::const_iterator begin,
107                              std::string::const_iterator end);
110   static std::string Unquote(const std::string& str);
113   static std::string Quote(const std::string& str);
133   static std::string AssembleRawHeaders(const char* buf, int buf_len);
149   static std::string GenerateAcceptLanguageHeader(
150       const std::string& raw_language_list);
155   static std::string GenerateAcceptCharsetHeader(const std::string& charset);
160                                     const std::string& header_value,
161                                     std::string* headers);
169     HeadersIterator(std::string::const_iterator headers_begin,
170                     std::string::const_iterator headers_end,
171                     const std::string& line_delimiter);
191     std::string::const_iterator name_begin() const {  in name_begin()
194     std::string::const_iterator name_end() const {  in name_end()
197     std::string name() const {  in name()
198       return std::string(name_begin_, name_end_);  in name()
201     std::string::const_iterator values_begin() const {  in values_begin()
204     std::string::const_iterator values_end() const {  in values_end()
207     std::string values() const {  in values()
208       return std::string(values_begin_, values_end_);  in values()
213     std::string::const_iterator name_begin_;
214     std::string::const_iterator name_end_;
215     std::string::const_iterator values_begin_;
216     std::string::const_iterator values_end_;
232     ValuesIterator(std::string::const_iterator values_begin,
233                    std::string::const_iterator values_end,
241     std::string::const_iterator value_begin() const {  in value_begin()
244     std::string::const_iterator value_end() const {  in value_end()
247     std::string value() const {  in value()
248       return std::string(value_begin_, value_end_);  in value()
253     std::string::const_iterator value_begin_;
254     std::string::const_iterator value_end_;
266     NameValuePairsIterator(std::string::const_iterator begin,
267                            std::string::const_iterator end,
280     std::string::const_iterator name_begin() const { return name_begin_; }  in name_begin()
281     std::string::const_iterator name_end() const { return name_end_; }  in name_end()
282     std::string name() const { return std::string(name_begin_, name_end_); }  in name()
285     std::string::const_iterator value_begin() const {  in value_begin()
288     std::string::const_iterator value_end() const {  in value_end()
291     std::string value() const {  in value()
292       return value_is_quoted_ ? unquoted_value_ : std::string(value_begin_,  in value()
300     std::string::const_iterator begin_;
301     std::string::const_iterator end_;
303     std::string::const_iterator name_begin_;
304     std::string::const_iterator name_end_;
306     std::string::const_iterator value_begin_;
307     std::string::const_iterator value_end_;
312     std::string unquoted_value_;