Stop sending Accept-Charset HTTP header.

sync/internal_api/public/http_bridge.h

 // Copyright 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.
 
 #ifndef SYNC_INTERNAL_API_PUBLIC_HTTP_BRIDGE_H_
 #define SYNC_INTERNAL_API_PUBLIC_HTTP_BRIDGE_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 32 matching lines @@
       public HttpPostProviderInterface,
       public net::URLFetcherDelegate {
  public:
   friend class SyncHttpBridgeTest;
 
   // A request context used for HTTP requests bridged from the sync backend.
   // A bridged RequestContext has a dedicated in-memory cookie store and does
   // not use a cache. Thus the same type can be used for incognito mode.
   class RequestContext : public net::URLRequestContext {
    public:
-    // |baseline_context| is used to obtain the accept-language,
-    // accept-charsets, and proxy service information for bridged requests.
+    // |baseline_context| is used to obtain the accept-language
+    // and proxy service information for bridged requests.
     // Typically |baseline_context| should be the net::URLRequestContext of the
     // currently active profile.
     RequestContext(
         net::URLRequestContext* baseline_context,
         const scoped_refptr<base::SingleThreadTaskRunner>&
             network_task_runner,
         const std::string& user_agent);
 
     // The destructor MUST be called on the IO thread.
     virtual ~RequestContext();
@@ skipping 157 matching lines @@
 
   const scoped_refptr<HttpBridge::RequestContextGetter>
       request_context_getter_;
 
   DISALLOW_COPY_AND_ASSIGN(HttpBridgeFactory);
 };
 
 }  //  namespace syncer
 
 #endif  // SYNC_INTERNAL_API_PUBLIC_HTTP_BRIDGE_H_