Stop sending Accept-Charset HTTP header.

sync/internal_api/public/http_bridge.h

Index: sync/internal_api/public/http_bridge.h
diff --git a/sync/internal_api/public/http_bridge.h b/sync/internal_api/public/http_bridge.h
index 470c1c6affe560008b9b62fb30b973e164f63db1..31863fdcd24cff9956395d8a52d100ce9e1d1096 100644
--- a/sync/internal_api/public/http_bridge.h
+++ b/sync/internal_api/public/http_bridge.h
@@ -50,8 +50,8 @@ class SYNC_EXPORT_PRIVATE HttpBridge
   // 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(