Adding version info to the client config request

components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc
index 2f1e6e971ab56342c8916ed27e079dcbb78538a7..b9f37a59febb28bc7f2e88360907ba2d5c1cd37b 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc
@@ -89,29 +89,31 @@ BasicHTTPURLRequestContextGetter::GetNetworkTaskRunner() const {
 BasicHTTPURLRequestContextGetter::~BasicHTTPURLRequestContextGetter() {
 }
 
 DataReductionProxyIOData::DataReductionProxyIOData(
     Client client,
     int param_flags,
     net::NetLog* net_log,
     scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
     scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
     bool enabled,
-    const std::string& user_agent)
+    const std::string& user_agent,
+    const std::string& channel)
     : client_(client),
       net_log_(net_log),
       io_task_runner_(io_task_runner),
       ui_task_runner_(ui_task_runner),
       enabled_(enabled),
       url_request_context_getter_(nullptr),
       basic_url_request_context_getter_(
           new BasicHTTPURLRequestContextGetter(user_agent, io_task_runner)),
+      channel_(channel),
       weak_factory_(this) {
   DCHECK(net_log);
   DCHECK(io_task_runner_);
   DCHECK(ui_task_runner_);
   std::unique_ptr<DataReductionProxyParams> params(
       new DataReductionProxyParams(param_flags));
   event_creator_.reset(new DataReductionProxyEventCreator(this));
   configurator_.reset(
       new DataReductionProxyConfigurator(net_log, event_creator_.get()));
   bool use_config_client =