Replace Uint32x4/Uint32x4List with Int32x4/Int32x4List

runtime/vm/deferred_objects.h

Index: runtime/vm/deferred_objects.h
diff --git a/runtime/vm/deferred_objects.h b/runtime/vm/deferred_objects.h
index 7e2c3c9cdac1a58829e2028ca30407a1fe6c8e3d..ae2e29f376e34626888ef486b9896c8c455b20e1 100644
--- a/runtime/vm/deferred_objects.h
+++ b/runtime/vm/deferred_objects.h
@@ -86,9 +86,9 @@ class DeferredFloat32x4 : public DeferredSlot {
 };
 
 
-class DeferredUint32x4 : public DeferredSlot {
+class DeferredInt32x4 : public DeferredSlot {
  public:
-  DeferredUint32x4(simd128_value_t value, RawInstance** slot,
+  DeferredInt32x4(simd128_value_t value, RawInstance** slot,
                    DeferredSlot* next)
       : DeferredSlot(slot, next), value_(value) { }
 
@@ -99,7 +99,7 @@ class DeferredUint32x4 : public DeferredSlot {
  private:
   const simd128_value_t value_;
 
-  DISALLOW_COPY_AND_ASSIGN(DeferredUint32x4);
+  DISALLOW_COPY_AND_ASSIGN(DeferredInt32x4);
 };