Stop sending Accept-Charset HTTP header.

net/url_request/url_request_context_builder.h

Index: net/url_request/url_request_context_builder.h
diff --git a/net/url_request/url_request_context_builder.h b/net/url_request/url_request_context_builder.h
index b11ccfa3ec494949dc05ca5d1fbf7b5388dd8bf6..2163ed54a9052d6d89490b592017245cdd9e97ef 100644
--- a/net/url_request/url_request_context_builder.h
+++ b/net/url_request/url_request_context_builder.h
@@ -72,15 +72,12 @@ class NET_EXPORT URLRequestContextBuilder {
   void set_proxy_config_service(ProxyConfigService* proxy_config_service);
 #endif  // defined(OS_LINUX) || defined(OS_ANDROID)
 
-  // Call these functions to specify hard-coded Accept-Language,
-  // Accept-Charset, or User-Agent header values for all requests that don't
+  // Call these functions to specify hard-coded Accept-Language
+  // or User-Agent header values for all requests that don't
   // have the headers already set.
   void set_accept_language(const std::string& accept_language) {
     accept_language_ = accept_language;
   }
-  void set_accept_charset(const std::string& accept_charset) {
-    accept_charset_ = accept_charset;
-  }
   void set_user_agent(const std::string& user_agent) {
     user_agent_ = user_agent;
   }
@@ -116,7 +113,6 @@ class NET_EXPORT URLRequestContextBuilder {
 
  private:
   std::string accept_language_;
-  std::string accept_charset_;
   std::string user_agent_;
   bool ftp_enabled_;
   bool http_cache_enabled_;