Stop sending Accept-Charset HTTP header.

net/http/http_util.h

Index: net/http/http_util.h
diff --git a/net/http/http_util.h b/net/http/http_util.h
index 8f15d136865d140fadc7a1853df3c8717f04568e..9fe199b3aabdfd3501d6a48733ec93a7fb23940c 100644
--- a/net/http/http_util.h
+++ b/net/http/http_util.h
@@ -176,11 +176,6 @@ class NET_EXPORT HttpUtil {
   static std::string GenerateAcceptLanguageHeader(
       const std::string& raw_language_list);
 
-  // Given a charset, return the list with a qvalue. If charset is utf-8,
-  // it will return 'utf-8,*;q=0.5'. Otherwise (e.g. 'euc-jp'), it'll return
-  // 'euc-jp,utf-8;q=0.7,*;q=0.3'.
-  static std::string GenerateAcceptCharsetHeader(const std::string& charset);
-
   // Helper. If |*headers| already contains |header_name| do nothing,
   // otherwise add <header_name> ": " <header_value> to the end of the list.
   static void AppendHeaderIfMissing(const char* header_name,