Disable channel id

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 90533727097a8d1b1e63fe00f82af5d10292b606..233918cdf1d8a963fbef37a9d064a5a73edeeec4 100644
--- a/net/url_request/url_request_context_builder.h
+++ b/net/url_request/url_request_context_builder.h
@@ -166,6 +166,10 @@ class NET_EXPORT URLRequestContextBuilder {
     throttling_enabled_ = throttling_enabled;
   }
 
+  void set_channel_id_enabled(bool enable) {
+    channel_id_enabled_ = enable;
+  }
+
   URLRequestContext* Build();
 
  private:
@@ -192,6 +196,7 @@ class NET_EXPORT URLRequestContextBuilder {
 #endif
   bool http_cache_enabled_;
   bool throttling_enabled_;
+  bool channel_id_enabled_;
 
   HttpCacheParams http_cache_params_;
   HttpNetworkSessionParams http_network_session_params_;