Don't leak visited site information from original profile to OTR profile....

chrome/browser/profile.cc

Index: chrome/browser/profile.cc
===================================================================
--- chrome/browser/profile.cc	(revision 11430)
+++ chrome/browser/profile.cc	(working copy)
@@ -142,7 +142,9 @@
   }
 
   virtual VisitedLinkMaster* GetVisitedLinkMaster() {
-    return profile_->GetVisitedLinkMaster();
+    // We don't provide access to the VisitedLinkMaster when we're OffTheRecord
+    // because we don't want to leak the sites that the user has visited before.
+    return NULL;
   }
 
   virtual ExtensionsService* GetExtensionsService() {