Remove dart backend

test/dart_codegen/expect/collection/linked_list.dart

Index: test/dart_codegen/expect/collection/linked_list.dart
diff --git a/test/dart_codegen/expect/collection/linked_list.dart b/test/dart_codegen/expect/collection/linked_list.dart
deleted file mode 100644
index bcae58a8f3838c51b964a70bd20a8c81e9fbf9b4..0000000000000000000000000000000000000000
--- a/test/dart_codegen/expect/collection/linked_list.dart
+++ /dev/null
@@ -1,135 +0,0 @@
-part of dart.collection;
- class LinkedList<E extends LinkedListEntry<E>> extends IterableBase<E> implements _LinkedListLink {int _modificationCount = 0;
- int _length = 0;
- _LinkedListLink _next;
- _LinkedListLink _previous;
- LinkedList() {
-  _next = _previous = this;
-  }
- void addFirst(E entry) {
-  _insertAfter(this, entry);
-  }
- void add(E entry) {
-  _insertAfter(_previous, entry);
-  }
- void addAll(Iterable<E> entries) {
-  entries.forEach((entry) => _insertAfter(_previous, DEVC$RT.cast(entry, dynamic, E, "CompositeCast", """line 65, column 56 of dart:collection/linked_list.dart: """, entry is E, false)));
-  }
- bool remove(E entry) {
-  if (entry._list != this) return false;
-   _unlink(entry);
-   return true;
-  }
- Iterator<E> get iterator => new _LinkedListIterator<E>(this);
- int get length => _length;
- void clear() {
-  _modificationCount++;
-   _LinkedListLink next = _next;
-   while (!identical(next, this)) {
-    E entry = DEVC$RT.cast(next, _LinkedListLink, E, "CompositeCast", """line 93, column 17 of dart:collection/linked_list.dart: """, next is E, false);
-     next = entry._next;
-     entry._next = entry._previous = entry._list = null;
-    }
-   _next = _previous = this;
-   _length = 0;
-  }
- E get first {
-  if (identical(_next, this)) {
-    throw new StateError('No such element');
-    }
-   return DEVC$RT.cast(_next, _LinkedListLink, E, "CompositeCast", """line 105, column 12 of dart:collection/linked_list.dart: """, _next is E, false);
-  }
- E get last {
-  if (identical(_previous, this)) {
-    throw new StateError('No such element');
-    }
-   return DEVC$RT.cast(_previous, _LinkedListLink, E, "CompositeCast", """line 112, column 12 of dart:collection/linked_list.dart: """, _previous is E, false);
-  }
- E get single {
-  if (identical(_previous, this)) {
-    throw new StateError('No such element');
-    }
-   if (!identical(_previous, _next)) {
-    throw new StateError('Too many elements');
-    }
-   return DEVC$RT.cast(_next, _LinkedListLink, E, "CompositeCast", """line 122, column 12 of dart:collection/linked_list.dart: """, _next is E, false);
-  }
- void forEach(void action(E entry)) {
-  int modificationCount = _modificationCount;
-   _LinkedListLink current = _next;
-   while (!identical(current, this)) {
-    action(DEVC$RT.cast(current, _LinkedListLink, E, "CompositeCast", """line 134, column 14 of dart:collection/linked_list.dart: """, current is E, false));
-     if (modificationCount != _modificationCount) {
-      throw new ConcurrentModificationError(this);
-      }
-     current = current._next;
-    }
-  }
- bool get isEmpty => _length == 0;
- void _insertAfter(_LinkedListLink entry, E newEntry) {
-  if (newEntry.list != null) {
-    throw new StateError('LinkedListEntry is already in a LinkedList');
-    }
-   _modificationCount++;
-   newEntry._list = this;
-   var predecessor = entry;
-   var successor = entry._next;
-   successor._previous = newEntry;
-   newEntry._previous = predecessor;
-   newEntry._next = successor;
-   predecessor._next = newEntry;
-   _length++;
-  }
- void _unlink(LinkedListEntry<E> entry) {
-  _modificationCount++;
-   entry._next._previous = entry._previous;
-   entry._previous._next = entry._next;
-   _length--;
-   entry._list = entry._next = entry._previous = null;
-  }
-}
- class _LinkedListIterator<E extends LinkedListEntry<E>> implements Iterator<E> {final LinkedList<E> _list;
- final int _modificationCount;
- E _current;
- _LinkedListLink _next;
- _LinkedListIterator(LinkedList<E> list) : _list = list, _modificationCount = list._modificationCount, _next = list._next;
- E get current => _current;
- bool moveNext() {
-if (identical(_next, _list)) {
-  _current = null;
-   return false;
-  }
- if (_modificationCount != _list._modificationCount) {
-  throw new ConcurrentModificationError(this);
-  }
- _current = DEVC$RT.cast(_next, _LinkedListLink, E, "CompositeCast", """line 192, column 16 of dart:collection/linked_list.dart: """, _next is E, false);
- _next = _next._next;
- return true;
-}
-}
- class _LinkedListLink {_LinkedListLink _next;
- _LinkedListLink _previous;
-}
- abstract class LinkedListEntry<E extends LinkedListEntry<E>> implements _LinkedListLink {LinkedList<E> _list;
- _LinkedListLink _next;
- _LinkedListLink _previous;
- LinkedList<E> get list => _list;
- void unlink() {
-_list._unlink(this);
-}
- E get next {
-if (identical(_next, _list)) return null;
- E result = DEVC$RT.cast(_next, _LinkedListLink, E, "CompositeCast", """line 249, column 16 of dart:collection/linked_list.dart: """, _next is E, false);
- return result;
-}
- E get previous {
-if (identical(_previous, _list)) return null;
- return DEVC$RT.cast(_previous, _LinkedListLink, E, "CastUser", """line 261, column 12 of dart:collection/linked_list.dart: """, _previous is E, false);
-}
- void insertAfter(E entry) {
-_list._insertAfter(this, entry);
-}
- void insertBefore(E entry) {
-_list._insertAfter(_previous, entry);
-}
-}