- Register canonical names for internal VM classes and get rid of the method GetSingletonClassName

vm/snapshot.cc

Index: vm/snapshot.cc
===================================================================
--- vm/snapshot.cc	(revision 10528)
+++ vm/snapshot.cc	(working copy)
@@ -581,6 +581,9 @@
   if (object_id == kSentinelObject) {
     return Object::sentinel();
   }
+  if (object_id == kEmptyArrayObject) {
+    return Object::empty_array();
+  }
   intptr_t class_id = ClassIdFromObjectId(object_id);
   if (IsSingletonClassId(class_id)) {
     return isolate()->class_table()->At(class_id);  // get singleton class.
@@ -709,6 +712,12 @@
     return;
   }
 
+  // Check if it is a singleton empty array object.
+  if (rawobj == Object::empty_array()) {
+    WriteVMIsolateObject(kEmptyArrayObject);
+    return;
+  }
+
   // Check if it is a singleton class object which is shared by
   // all isolates.
   intptr_t id = rawobj->GetClassId();