Support the Clear-Site-Data header on resource requests

content/browser/loader/resource_dispatcher_host_impl.h

Index: content/browser/loader/resource_dispatcher_host_impl.h
diff --git a/content/browser/loader/resource_dispatcher_host_impl.h b/content/browser/loader/resource_dispatcher_host_impl.h
index f57a3acba48616125cf9d25fef283e137970a172..ea72693a4a8340ef0d05cf3bd436077e23bfabd7 100644
--- a/content/browser/loader/resource_dispatcher_host_impl.h
+++ b/content/browser/loader/resource_dispatcher_host_impl.h
@@ -783,6 +783,9 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
   // Task runner for the IO thead.
   scoped_refptr<base::SingleThreadTaskRunner> io_thread_task_runner_;
 
+  // Whether experimental web platform features are enabled.
+  bool experimental_web_features_enabled_;
+
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHostImpl);
 };