content::ResourceDispatcherHostImpl changes for stale-while-revalidate

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 d575c104d1082a13752697b2da10d2856f2c7069..129837467430877bfab9fa6820eca8fa697323a0 100644
--- a/content/browser/loader/resource_dispatcher_host_impl.h
+++ b/content/browser/loader/resource_dispatcher_host_impl.h
@@ -25,6 +25,7 @@
 #include "base/time/time.h"
 #include "base/timer/timer.h"
 #include "content/browser/download/download_resource_handler.h"
+#include "content/browser/loader/async_revalidation_manager.h"

[davidben, 2015/11/23 23:40:43]

Forward-decl

[Adam Rice, 2015/11/25 19:39:40]

Done.

 #include "content/browser/loader/global_routing_id.h"
 #include "content/browser/loader/resource_loader.h"
 #include "content/browser/loader/resource_loader_delegate.h"
@@ -280,6 +281,10 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
       NavigationURLLoaderImplCore* loader,
       ServiceWorkerNavigationHandleCore* service_worker_handle_core);
 
+  // Turns on stale-while-revalidate support, regardless of command-line flags
+  // or experiment status. For unit tests only.
+  void EnableStaleWhileRevalidateForTesting();
+
  private:
   friend class ResourceDispatcherHostTest;
 
@@ -588,6 +593,10 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
 
   bool allow_cross_origin_auth_prompt_;
 
+  // AsyncRevalidationManager is non-NULL if and only if
+  // stale-while-revalidate is enabled.
+  scoped_ptr<AsyncRevalidationManager> async_revalidation_manager_;
+
   // http://crbug.com/90971 - Assists in tracking down use-after-frees on
   // shutdown.
   std::set<const ResourceContext*> active_resource_contexts_;