[Dice] Parse the Dice response header

chrome/browser/signin/chrome_signin_helper.h

Index: chrome/browser/signin/chrome_signin_helper.h
diff --git a/chrome/browser/signin/chrome_signin_helper.h b/chrome/browser/signin/chrome_signin_helper.h
index 848f289dc9cace17e562ac5323c3325bf03583cc..e34c1e05afda2f52ae7644e5dd048fc66237f8c2 100644
--- a/chrome/browser/signin/chrome_signin_helper.h
+++ b/chrome/browser/signin/chrome_signin_helper.h
@@ -7,6 +7,8 @@
 
 #include <string>
 
+#include "build/build_config.h"
+
 namespace net {
 class URLRequest;
 }
@@ -39,6 +41,13 @@ void ProcessMirrorResponseHeaderIfExists(net::URLRequest* request,
                                          int child_id,
                                          int route_id);
 
+#if !defined(OS_IOS) && !defined(OS_ANDROID)
+// Looks for the X-Chrome-ID-Consistency-Response response header, and if found,
+// fetches a OAuth2 token. Must be called on IO thread.
+void ProcessDiceResponseHeaderIfExists(net::URLRequest* request,
+                                       ProfileIOData* io_data);
+#endif
+
 };  // namespace signin
 
 #endif  // CHROME_BROWSER_SIGNIN_CHROME_SIGNIN_HELPER_H_