Add RedirectInfo as a redirect parameter to ResourceThrottles.

content/public/browser/resource_throttle.h

Index: content/public/browser/resource_throttle.h
diff --git a/content/public/browser/resource_throttle.h b/content/public/browser/resource_throttle.h
index 574025d8275b4c239f21cf74314fae4406ddb952..240d95e1967b0a01d028d8c4be9e8a961bcde7be 100644
--- a/content/public/browser/resource_throttle.h
+++ b/content/public/browser/resource_throttle.h
@@ -9,6 +9,10 @@
 
 class GURL;
 
+namespace net {
+struct RedirectInfo;
+}
+
 namespace content {
 
 class ResourceController;
@@ -22,9 +26,20 @@ class ResourceThrottle {
  public:
   virtual ~ResourceThrottle() {}
 
+  // Called before the resource request is started.
   virtual void WillStartRequest(bool* defer) {}
+
+  // Called before the resource request uses the network for the first time.
   virtual void WillStartUsingNetwork(bool* defer) {}
-  virtual void WillRedirectRequest(const GURL& new_url, bool* defer) {}
+
+  // Called when the request was redirected.  |redirect_info| contains the
+  // redirect responses's HTTP status code and some information about the new
+  // request that will be sent if the redirect is followed, including the new
+  // URL and new method.
+  virtual void WillRedirectRequest(const net::RedirectInfo& redirect_info,
+                                   bool* defer) {}
+
+  // Called when the response headers and meta data are available.
   virtual void WillProcessResponse(bool* defer) {}
 
   // Returns the name of the throttle, as a UTF-8 C-string, for logging