Made Isolate a mandatory parameter for everything Handle-related.

test/cctest/test-serialize.cc

Index: test/cctest/test-serialize.cc
diff --git a/test/cctest/test-serialize.cc b/test/cctest/test-serialize.cc
index 65ae0c3c40717ea968d0649d42766695832f9d0d..cb67fadc08189967a0533dbc997d8039d50da2ac 100644
--- a/test/cctest/test-serialize.cc
+++ b/test/cctest/test-serialize.cc
@@ -478,7 +478,7 @@ DEPENDENT_TEST(PartialDeserialization, PartialSerialization) {
       CHECK(root->IsString());
     }
     v8::HandleScope handle_scope;
-    Handle<Object> root_handle(root);
+    Handle<Object> root_handle(root, Isolate::Current());
 
 
     Object* root2;
@@ -576,7 +576,7 @@ DEPENDENT_TEST(ContextDeserialization, ContextSerialization) {
       CHECK(root->IsContext());
     }
     v8::HandleScope handle_scope;
-    Handle<Object> root_handle(root);
+    Handle<Object> root_handle(root, Isolate::Current());
 
 
     Object* root2;