Split Snapshot::kFull into kCore, kAppWithJIT, and kAppNoJIT. Remove snapshot_code flag.

runtime/vm/object_store.h

Index: runtime/vm/object_store.h
diff --git a/runtime/vm/object_store.h b/runtime/vm/object_store.h
index 92be955561599b0c55c3689fe4305c23b3f32d5f..534e51683aa5a17859d8f4c12d0a3fd06dfe29fc 100644
--- a/runtime/vm/object_store.h
+++ b/runtime/vm/object_store.h
@@ -564,9 +564,6 @@ class ObjectStore {
   RawFunction* handle_message_function_;
   RawArray* library_load_error_table_;
   RawArray* compile_time_constants_;
-  RawObject** to_snapshot() {
-    return reinterpret_cast<RawObject**>(&compile_time_constants_);
-  }
   RawArray* unique_dynamic_targets_;
   RawGrowableObjectArray* token_objects_;
   RawArray* token_objects_map_;
@@ -576,6 +573,20 @@ class ObjectStore {
   RawObject** to() {
     return reinterpret_cast<RawObject**>(&megamorphic_miss_function_);
   }
+  RawObject** to_snapshot(Snapshot::Kind kind) {
+    switch (kind) {
+      case Snapshot::kCore:
+        return reinterpret_cast<RawObject**>(&compile_time_constants_);
+      case Snapshot::kAppWithJIT:
+      case Snapshot::kAppNoJIT:
+        return to();
+      case Snapshot::kScript:
+      case Snapshot::kMessage:
+        break;
+    }
+    UNREACHABLE();
+    return NULL;
+  }
 
   friend class FullSnapshotWriter;
   friend class SnapshotReader;