Use TaskRunnerTimer in LinkLoader

third_party/WebKit/Source/core/loader/LinkLoaderClient.h

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  */
 #ifndef LinkLoaderClient_h
 #define LinkLoaderClient_h
 
 #include "core/CoreExport.h"
+#include "platform/WebTaskRunner.h"
 
 namespace blink {
 
 class CORE_EXPORT LinkLoaderClient : public GarbageCollectedMixin {
  public:
   virtual ~LinkLoaderClient() {}
   DEFINE_INLINE_VIRTUAL_TRACE() {}
 
   virtual bool shouldLoadLink() = 0;
 
   virtual void linkLoaded() = 0;
   virtual void linkLoadingErrored() = 0;
   // There is no notification for cancellation.
 
   virtual void didStartLinkPrerender() = 0;
   virtual void didStopLinkPrerender() = 0;
   virtual void didSendLoadForLinkPrerender() = 0;
   virtual void didSendDOMContentLoadedForLinkPrerender() = 0;
+
+  virtual RefPtr<WebTaskRunner> getLoadingTaskRunner() = 0;
 };
 
 }  // namespace blink
 
 #endif