DataReductionProxyNavigationThrottle

content/public/browser/navigation_throttle.h

Index: content/public/browser/navigation_throttle.h
diff --git a/content/public/browser/navigation_throttle.h b/content/public/browser/navigation_throttle.h
index fff64b1f4fb8c61f425c27b140786fce5eaa617d..badfd2d01450a3801ae3a7f0953f4a3c13e17e55 100644
--- a/content/public/browser/navigation_throttle.h
+++ b/content/public/browser/navigation_throttle.h
@@ -5,6 +5,8 @@
 #ifndef CONTENT_PUBLIC_BROWSER_NAVIGATION_THROTTLE_H_
 #define CONTENT_PUBLIC_BROWSER_NAVIGATION_THROTTLE_H_
 
+#include <string>
+
 #include "content/common/content_export.h"
 
 namespace content {
@@ -59,6 +61,13 @@ class CONTENT_EXPORT NavigationThrottle {
   // navigation.
   NavigationHandle* navigation_handle() const { return navigation_handle_; }
 
+ protected:
+  // Adds an HTTP header with name |name| and value |value|. This will override
+  // any previously existing header with name |name|. This should only be used
+  // during WillStartRequest or WillRedirectRequest, or before the navigation
+  // is resumed if it has been deferred.
+  void AddExtraHeader(const std::string& name, const std::string& value);
+
  private:
   NavigationHandle* navigation_handle_;
 };