nav timing 2 redirect allow opt-in

third_party/WebKit/Source/core/timing/PerformanceBase.h

Index: third_party/WebKit/Source/core/timing/PerformanceBase.h
diff --git a/third_party/WebKit/Source/core/timing/PerformanceBase.h b/third_party/WebKit/Source/core/timing/PerformanceBase.h
index a66931b3224a2b8083345afb2fcf4ad2ebe8134c..2418bd6a42aac785a0d8885c25cdad7582ee5fe6 100644
--- a/third_party/WebKit/Source/core/timing/PerformanceBase.h
+++ b/third_party/WebKit/Source/core/timing/PerformanceBase.h
@@ -132,6 +132,16 @@ class CORE_EXPORT PerformanceBase : public EventTargetWithInlineData {
       NavigationType,
       const Document*);
 
+  static bool allowsTimingRedirect(const Vector<ResourceResponse>&,
+                                   const ResourceResponse&,
+                                   const SecurityOrigin&,
+                                   ExecutionContext*);
+
+  static bool passesTimingAllowCheck(const ResourceResponse&,
+                                     const SecurityOrigin&,
+                                     const AtomicString&,
+                                     ExecutionContext*);
+
  protected:
   explicit PerformanceBase(double timeOrigin);