Stop sending Accept-Charset HTTP header.

net/url_request/url_request_context.h

 // Copyright (c) 2012 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 class represents contextual information (cookies, cache, etc.)
 // that's useful when processing resource requests.
 // The class is reference-counted so that it can be cleaned up after any
 // requests that are using it have been completed.
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_CONTEXT_H_
@@ skipping 160 matching lines @@
     return ftp_auth_cache_.get();
 #else
     return NULL;
 #endif
   }
 
   // ---------------------------------------------------------------------------
   // Legacy accessors that delegate to http_user_agent_settings_.
   // TODO(pauljensen): Remove after all clients are updated to directly access
   // http_user_agent_settings_.
-  // Gets the value of 'Accept-Charset' header field.
-  std::string GetAcceptCharset() const;
   // Gets the value of 'Accept-Language' header field.
   std::string GetAcceptLanguage() const;
   // Gets the UA string to use for the given URL.  Pass an invalid URL (such as
   // GURL()) to get the default UA string.
   std::string GetUserAgent(const GURL& url) const;
   // ---------------------------------------------------------------------------
 
   const URLRequestJobFactory* job_factory() const { return job_factory_; }
   void set_job_factory(const URLRequestJobFactory* job_factory) {
     job_factory_ = job_factory;
   }
 
   // May be NULL.
   URLRequestThrottlerManager* throttler_manager() const {
     return throttler_manager_;
   }
   void set_throttler_manager(URLRequestThrottlerManager* throttler_manager) {
     throttler_manager_ = throttler_manager;
   }
 
   // Gets the URLRequest objects that hold a reference to this
   // URLRequestContext.
   std::set<const URLRequest*>* url_requests() const {
     return url_requests_.get();
   }
 
   void AssertNoURLRequests() const;
 
   // Get the underlying |HttpUserAgentSettings| implementation that provides
-  // the HTTP Accept-Language, Accept-Charset and User-Agent header values.
+  // the HTTP Accept-Language and User-Agent header values.
   const HttpUserAgentSettings* http_user_agent_settings() const {
     return http_user_agent_settings_;
   }
   void set_http_user_agent_settings(
       HttpUserAgentSettings* http_user_agent_settings) {
     http_user_agent_settings_ = http_user_agent_settings;
   }
 
  private:
   // ---------------------------------------------------------------------------
@@ skipping 30 matching lines @@
   // ---------------------------------------------------------------------------
 
   scoped_ptr<std::set<const URLRequest*> > url_requests_;
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestContext);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_CONTEXT_H_