Remove calls of PrerenderTracker::TryCancel and TryCancelOnIOThread in ChromeResourceDispatcherHost…

content/public/browser/resource_dispatcher_host_delegate.cc

Index: content/public/browser/resource_dispatcher_host_delegate.cc
===================================================================
--- content/public/browser/resource_dispatcher_host_delegate.cc	(revision 243099)
+++ content/public/browser/resource_dispatcher_host_delegate.cc	(working copy)
@@ -48,18 +48,6 @@
     ScopedVector<ResourceThrottle>* throttles) {
 }
 
-bool ResourceDispatcherHostDelegate::AcceptSSLClientCertificateRequest(
-    net::URLRequest* request,
-    net::SSLCertRequestInfo* cert_request_info) {
-  return false;
-}
-
-bool ResourceDispatcherHostDelegate::AcceptAuthRequest(
-    net::URLRequest* request,
-    net::AuthChallengeInfo* auth_info) {
-  return false;
-}
-
 ResourceDispatcherHostLoginDelegate*
     ResourceDispatcherHostDelegate::CreateLoginDelegate(
         net::AuthChallengeInfo* auth_info,