--- old/src/java.base/share/classes/java/net/URLClassLoader.java	2016-01-10 09:23:04.744361550 +0000
+++ new/src/java.base/share/classes/java/net/URLClassLoader.java	2016-01-10 09:23:04.612364412 +0000
@@ -52,6 +52,7 @@
 
 import jdk.internal.misc.JavaNetAccess;
 import jdk.internal.misc.SharedSecrets;
+import jdk.internal.perf.PerfCounter;
 import sun.misc.Resource;
 import sun.misc.URLClassPath;
 import sun.net.www.ParseUtil;
@@ -459,14 +460,14 @@
             // Use (direct) ByteBuffer:
             CodeSigner[] signers = res.getCodeSigners();
             CodeSource cs = new CodeSource(url, signers);
-            sun.misc.PerfCounter.getReadClassBytesTime().addElapsedTimeFrom(t0);
+            PerfCounter.getReadClassBytesTime().addElapsedTimeFrom(t0);
             return defineClass(name, bb, cs);
         } else {
             byte[] b = res.getBytes();
             // must read certificates AFTER reading bytes.
             CodeSigner[] signers = res.getCodeSigners();
             CodeSource cs = new CodeSource(url, signers);
-            sun.misc.PerfCounter.getReadClassBytesTime().addElapsedTimeFrom(t0);
+            PerfCounter.getReadClassBytesTime().addElapsedTimeFrom(t0);
             return defineClass(name, b, 0, b.length, cs);
         }
     }