VectorStoreICStub -> StoreICStub
VectorStoreICTrampolineStub -> StoreICTrampolineStub
VectorKeyedStoreICStub -> KeyedStoreICStub
VectorKeyedStoreICTrampolineStub -> KeyedStoreICTrampolineStub

Review-Url: https://codereview.chromium.org/2147013002
Cr-Commit-Position: refs/heads/master@{#37752}