Support redirectUrl at onHeadersReceived in WebRequest / DWR API

net/url_request/url_request_http_job.h

Index: net/url_request/url_request_http_job.h
diff --git a/net/url_request/url_request_http_job.h b/net/url_request/url_request_http_job.h
index 33014e50c613c393ece346d9a16c97358eda58b7..81c4838423494632277a061d088d895dbde08063 100644
--- a/net/url_request/url_request_http_job.h
+++ b/net/url_request/url_request_http_job.h
@@ -107,6 +107,8 @@ class NET_EXPORT_PRIVATE URLRequestHttpJob : public URLRequestJob {
   virtual bool GetResponseCookies(std::vector<std::string>* cookies) OVERRIDE;
   virtual int GetResponseCode() const OVERRIDE;
   virtual Filter* SetupFilter() const OVERRIDE;
+  virtual bool IsRedirectResponse(
+      GURL* location, int* http_status_code) OVERRIDE;
   virtual bool IsSafeRedirect(const GURL& location) OVERRIDE;
   virtual bool NeedsAuth() OVERRIDE;
   virtual void GetAuthChallengeInfo(scoped_refptr<AuthChallengeInfo>*) OVERRIDE;
@@ -249,6 +251,11 @@ class NET_EXPORT_PRIVATE URLRequestHttpJob : public URLRequestJob {
 
   CompletionCallback on_headers_received_callback_;
 
+  // We allow the network delegate to redirect the response. If an URL is given,
+  // the response headers (except for the cookies) will be ignored and the job
+  // will restart using this new URL.
+  GURL override_redirect_url_;
+
   // We allow the network delegate to modify a copy of the response headers.
   // This prevents modifications of headers that are shared with the underlying
   // layers of the network stack.