DataReductionProxyNavigationThrottle

content/public/browser/navigation_throttle.cc

Index: content/public/browser/navigation_throttle.cc
diff --git a/content/public/browser/navigation_throttle.cc b/content/public/browser/navigation_throttle.cc
index ac3b3aa405654418ac2e76e63b2380bc4ed16164..8c628fbbb38f7a15f53606ca4d787ae20187676e 100644
--- a/content/public/browser/navigation_throttle.cc
+++ b/content/public/browser/navigation_throttle.cc
@@ -4,6 +4,8 @@
 
 #include "content/public/browser/navigation_throttle.h"
 
+#include "content/browser/frame_host/navigation_handle_impl.h"
+
 namespace content {
 
 NavigationThrottle::NavigationThrottle(NavigationHandle* navigation_handle)
@@ -20,4 +22,10 @@ NavigationThrottle::WillRedirectRequest() {
   return NavigationThrottle::PROCEED;
 }
 
+void NavigationThrottle::AddExtraHeader(const std::string& name,
+                                        const std::string& value) {
+  static_cast<NavigationHandleImpl*>(navigation_handle_)
+      ->AddExtraHeader(name, value);
+}
+
 }  // namespace content