Refactor runtime into libraries, better type reps

test/codegen/expect/sunflower/sunflower.html

Index: test/codegen/expect/sunflower/sunflower.html
diff --git a/test/codegen/expect/sunflower/sunflower.html b/test/codegen/expect/sunflower/sunflower.html
index ea01f7f0b02344a86579f5a53c788f53d7136418..c3fccf525213da91ee839e5e163483c105ab5aaa 100644
--- a/test/codegen/expect/sunflower/sunflower.html
+++ b/test/codegen/expect/sunflower/sunflower.html
@@ -24,6 +24,13 @@
     </footer>
 
     <script src="dev_compiler/runtime/harmony_feature_check.js"></script>
+<script src="dev_compiler/runtime/dart_utils.js"></script>
+<script src="dev_compiler/runtime/dart_library.js"></script>
+<script src="dev_compiler/runtime/_errors.js"></script>
+<script src="dev_compiler/runtime/_types.js"></script>
+<script src="dev_compiler/runtime/_rtti.js"></script>
+<script src="dev_compiler/runtime/_classes.js"></script>
+<script src="dev_compiler/runtime/_operations.js"></script>
 <script src="dev_compiler/runtime/dart_runtime.js"></script>
 <script src="dev_compiler/runtime/dart/core.js"></script>
 <script src="dev_compiler/runtime/dart/collection.js"></script>
@@ -44,7 +51,7 @@
 <script src="dom.js"></script>
 <script src="painter.js"></script>
 <script src="sunflower.js"></script>
-<script>dart.start('sunflower');</script>
+<script>dart_library.start('sunflower');</script>