Revert hiding of VM-only coreimpl list implementation types. While I

runtime/lib/byte_array.dart

Index: runtime/lib/byte_array.dart
diff --git a/runtime/lib/byte_array.dart b/runtime/lib/byte_array.dart
index a6efae205473d075a9ed794c0464b41f25f6a40b..0897917bb0d6396229e1897b9c53fe84e5209ca7 100644
--- a/runtime/lib/byte_array.dart
+++ b/runtime/lib/byte_array.dart
@@ -131,7 +131,9 @@ abstract class _ByteArrayBase {
   }
 
   Collection map(f(element)) {
-    return Collections.map(this, new List(), f);
+    return Collections.map(this,
+                           new GrowableObjectArray.withCapacity(length),
+                           f);
   }
 
   Dynamic reduce(Dynamic initialValue,
@@ -140,7 +142,7 @@ abstract class _ByteArrayBase {
   }
 
   Collection filter(bool f(element)) {
-    return Collections.filter(this, new List(), f);
+    return Collections.filter(this, new GrowableObjectArray(), f);
   }
 
   bool every(bool f(element)) {
@@ -1608,7 +1610,9 @@ class _ByteArrayViewBase {
   }
 
   Collection map(f(element)) {
-    return Collections.map(this, new List(), f);
+    return Collections.map(this,
+                           new GrowableObjectArray.withCapacity(length),
+                           f);
   }
 
   Dynamic reduce(Dynamic initialValue,
@@ -1617,7 +1621,7 @@ class _ByteArrayViewBase {
   }
 
   Collection filter(bool f(element)) {
-    return Collections.filter(this, new List(), f);
+    return Collections.filter(this, new GrowableObjectArray(), f);
   }
 
   bool every(bool f(element)) {