Add a ResourceScheduler to ResourceDispatcherHost.

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 20b3d5515ccfd50c13fc352bc24fe6dc09e9cc1b..3dadf8b6753003d640f36836bac38b50f034cd8c 100644
--- a/content/browser/loader/resource_dispatcher_host_impl.h
+++ b/content/browser/loader/resource_dispatcher_host_impl.h
@@ -26,6 +26,7 @@
 #include "content/browser/download/download_resource_handler.h"
 #include "content/browser/loader/resource_loader.h"
 #include "content/browser/loader/resource_loader_delegate.h"
+#include "content/browser/loader/resource_scheduler.h"
 #include "content/common/content_export.h"
 #include "content/public/browser/child_process_data.h"
 #include "content/public/browser/notification_types.h"
@@ -209,6 +210,8 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
 
   void ClearSSLClientAuthHandlerForRequest(net::URLRequest* request);
 
+  ResourceScheduler* scheduler() { return &scheduler_; }
+
  private:
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            TestBlockedRequestsProcessDies);
@@ -413,6 +416,8 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
   // shutdown.
   std::set<const ResourceContext*> active_resource_contexts_;
 
+  ResourceScheduler scheduler_;
+
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHostImpl);
 };