Addressed perf regression in Browsermark2.0 array blur test

src/allocation-site-scopes.cc

Index: src/allocation-site-scopes.cc
diff --git a/src/allocation-site-scopes.cc b/src/allocation-site-scopes.cc
index 8097045b27d6be89d5d5922e6f14c01668e1648f..31120b902531a4c5bd54c9f010e0d74ea67a0329 100644
--- a/src/allocation-site-scopes.cc
+++ b/src/allocation-site-scopes.cc
@@ -82,27 +82,4 @@ void AllocationSiteCreationContext::ExitScope(
   }
 }
 
-
-Handle<AllocationSite> AllocationSiteUsageContext::EnterNewScope() {
-  if (top().is_null()) {
-    InitializeTraversal(top_site_);
-  } else {
-    // Advance current site
-    Object* nested_site = current()->nested_site();
-    // Something is wrong if we advance to the end of the list here.
-    ASSERT(nested_site->IsAllocationSite());
-    update_current_site(AllocationSite::cast(nested_site));
-  }
-  return Handle<AllocationSite>(*current(), isolate());
-}
-
-
-void AllocationSiteUsageContext::ExitScope(
-    Handle<AllocationSite> scope_site,
-    Handle<JSObject> object) {
-  // This assert ensures that we are pointing at the right sub-object in a
-  // recursive walk of a nested literal.
-  ASSERT(object.is_null() || *object == scope_site->transition_info());
-}
-
 } }  // namespace v8::internal