Correcting the version field in the Chrome-Proxy header to be the chromium build and patch number.

chrome/browser/io_thread.cc

Index: chrome/browser/io_thread.cc
diff --git a/chrome/browser/io_thread.cc b/chrome/browser/io_thread.cc
index 3c632ee8ffd0fbff66c94a8cc2faad4afcc988fe..c9218859b6d30eb8947473c8ad7509f0f3d3cb1e 100644
--- a/chrome/browser/io_thread.cc
+++ b/chrome/browser/io_thread.cc
@@ -35,6 +35,7 @@
 #include "chrome/browser/net/dns_probe_service.h"
 #include "chrome/browser/net/pref_proxy_config_tracker.h"
 #include "chrome/browser/net/proxy_service_factory.h"
+#include "chrome/browser/net/spdyproxy/data_reduction_proxy_chrome_settings.h"
 #include "chrome/common/chrome_content_client.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/chrome_version_info.h"
@@ -651,8 +652,12 @@ void IOThread::InitAsync() {
   DataReductionProxyParams* proxy_params =
       new DataReductionProxyParams(drp_flags);
   globals_->data_reduction_proxy_params.reset(proxy_params);
+  chrome::VersionInfo version_info;

[bengr, 2014/07/31 18:22:40]

This is an implementation detail, so put it inside GetBuildAndPatchNumber.

[megjablon, 2014/07/31 20:48:36]

Done.

   globals_->data_reduction_proxy_auth_request_handler.reset(
-      new DataReductionProxyAuthRequestHandler(proxy_params));
+      new DataReductionProxyAuthRequestHandler(
+          proxy_params,
+          DataReductionProxyChromeSettings::GetBuildAndPatchNumber(
+              version_info.Version())));
   globals_->on_resolve_proxy_handler =
       ChromeNetworkDelegate::OnResolveProxyHandler(
           base::Bind(data_reduction_proxy::OnResolveProxyHandler));