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 edffcf7888f93787248112c03b522183ae7051a5..0627227c2b05e7ba192454acc8d5e7bd6e3325c2 100644
--- a/content/browser/loader/resource_dispatcher_host_impl.h
+++ b/content/browser/loader/resource_dispatcher_host_impl.h
@@ -27,6 +27,7 @@
 #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/download_id.h"
@@ -217,6 +218,8 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
 
   void ClearSSLClientAuthHandlerForRequest(net::URLRequest* request);
 
+  ResourceScheduler* scheduler() { return scheduler_.get(); }
+
  private:
   FRIEND_TEST_ALL_PREFIXES(ResourceDispatcherHostTest,
                            TestBlockedRequestsProcessDies);
@@ -256,6 +259,9 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
                                    int* render_process_host_id,
                                    int* render_view_host_id);
 
+  // An init helper that runs on the IO thread.
+  void OnInit();
+
   // A shutdown helper that runs on the IO thread.
   void OnShutdown();
 
@@ -429,6 +435,8 @@ class CONTENT_EXPORT ResourceDispatcherHostImpl
                    ObserverList<ResourceMessageDelegate>*> DelegateMap;
   DelegateMap delegate_map_;
 
+  scoped_ptr<ResourceScheduler> scheduler_;
+
   DISALLOW_COPY_AND_ASSIGN(ResourceDispatcherHostImpl);
 };