VectorICs: refactoring to eliminate "for queries only" vector ic mode.

src/heap/heap.h

Index: src/heap/heap.h
diff --git a/src/heap/heap.h b/src/heap/heap.h
index be511aee481f4e9d4742cbe1fd14c7e2ff91e153..17e4074b117d00e856334b26bcbe166573ce87d8 100644
--- a/src/heap/heap.h
+++ b/src/heap/heap.h
@@ -169,8 +169,7 @@ namespace internal {
   V(FixedArray, materialized_objects, MaterializedObjects)                     \
   V(FixedArray, allocation_sites_scratchpad, AllocationSitesScratchpad)        \
   V(FixedArray, microtask_queue, MicrotaskQueue)                               \
-  V(FixedArray, keyed_load_dummy_vector, KeyedLoadDummyVector)                 \
-  V(FixedArray, keyed_store_dummy_vector, KeyedStoreDummyVector)               \
+  V(FixedArray, dummy_vector, DummyVector)                                     \
   V(FixedArray, detached_contexts, DetachedContexts)                           \
   V(ArrayList, retained_maps, RetainedMaps)                                    \
   V(WeakHashTable, weak_object_to_code_table, WeakObjectToCodeTable)           \