Plumb redirect info out of net, through content, and into child processes.

content/browser/download/save_file_resource_handler.cc

Index: content/browser/download/save_file_resource_handler.cc
diff --git a/content/browser/download/save_file_resource_handler.cc b/content/browser/download/save_file_resource_handler.cc
index e1fc32b7fc4764bd2978a5df9317259862854be8..17c29ed6593ae2be7afa0a1106f67229dc23cd8e 100644
--- a/content/browser/download/save_file_resource_handler.cc
+++ b/content/browser/download/save_file_resource_handler.cc
@@ -11,6 +11,7 @@
 #include "content/browser/download/save_file_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/io_buffer.h"
+#include "net/url_request/redirect_info.h"
 #include "net/url_request/url_request_status.h"
 
 namespace content {
@@ -37,10 +38,10 @@ bool SaveFileResourceHandler::OnUploadProgress(uint64 position, uint64 size) {
 }
 
 bool SaveFileResourceHandler::OnRequestRedirected(
-    const GURL& url,
+    const net::RedirectInfo& redirect_info,
     ResourceResponse* response,
     bool* defer) {
-  final_url_ = url;
+  final_url_ = redirect_info.new_url;
   return true;
 }