VectorICs: Remove --vector-stores flag.

src/ic/ic.h

Index: src/ic/ic.h
diff --git a/src/ic/ic.h b/src/ic/ic.h
index 47883b46af82912f687c1c3252605a202e4fcf15..b5db933973c55d2a0d612fcb3aae02914ba235e6 100644
--- a/src/ic/ic.h
+++ b/src/ic/ic.h
@@ -77,9 +77,8 @@ class IC {
 
   static bool ICUseVector(Code::Kind kind) {
     return kind == Code::LOAD_IC || kind == Code::KEYED_LOAD_IC ||
-           kind == Code::CALL_IC ||
-           (FLAG_vector_stores &&
-            (kind == Code::STORE_IC || kind == Code::KEYED_STORE_IC));
+           kind == Code::CALL_IC || kind == Code::STORE_IC ||
+           kind == Code::KEYED_STORE_IC;
   }
 
  protected:
@@ -532,22 +531,10 @@ class KeyedStoreIC : public StoreIC {
            IcCheckTypeField::encode(ELEMENT);
   }
 
-  static KeyedAccessStoreMode GetKeyedAccessStoreMode(
-      ExtraICState extra_state) {
-    DCHECK(!FLAG_vector_stores);
-    return ExtraICStateKeyedAccessStoreMode::decode(extra_state);
-  }
-
   KeyedAccessStoreMode GetKeyedAccessStoreMode() {
-    DCHECK(FLAG_vector_stores);
     return casted_nexus<KeyedStoreICNexus>()->GetKeyedAccessStoreMode();
   }
 
-  static IcCheckType GetKeyType(ExtraICState extra_state) {
-    DCHECK(!FLAG_vector_stores);
-    return IcCheckTypeField::decode(extra_state);
-  }
-
   KeyedStoreIC(FrameDepth depth, Isolate* isolate,
                KeyedStoreICNexus* nexus = NULL)
       : StoreIC(depth, isolate, nexus) {
@@ -604,8 +591,6 @@ class KeyedStoreIC : public StoreIC {
   Handle<Map> ComputeTransitionedMap(Handle<Map> map,
                                      KeyedAccessStoreMode store_mode);
 
-  void ValidateStoreMode(Handle<Code> stub);
-
   friend class IC;
 };