fix(zone): Avoid silently ignoring uncaught exceptions by default.

lib/core/zone.dart

@@ -29,18 +29,19 @@ class LongStackTrace {
  * A better zone API which implements onTurnDone.
  */
 class NgZone {
-  final async.Zone _outerZone;
+  final async.Zone _outerZone = async.Zone.current;
   async.Zone _zone;
 
-  NgZone()
-      : _outerZone = async.Zone.current
-  {
+  NgZone() {
     _zone = _outerZone.fork(specification: new async.ZoneSpecification(
         run: _onRun,
         runUnary: _onRunUnary,
         scheduleMicrotask: _onScheduleMicrotask,
         handleUncaughtError: _uncaughtError
     ));
+    // Prevent silently ignoring uncaught exceptions by forwarding such
+    // exceptions to the outer zone by default.
+    onError = (e, s, ls) => _outerZone.handleUncaughtError(e, s);
   }
 
 
@@ -99,7 +100,7 @@ class NgZone {
       _errorThrownFromOnRun = true;
       rethrow;
     } finally {
-    _inFinishTurn = false;
+      _inFinishTurn = false;
     }
   }
 

lib/core_dom/view.dart

@@ -62,5 +62,10 @@ class ViewPort {
 
 // TODO remove once everybody is using the new names
 
-class Block extends View {}
-class BlockHole extends ViewPort {}
+class Block extends View {
+  Block(List<dom.Node> nodes) : super(nodes);
+}
+
+class BlockHole extends ViewPort {
+  BlockHole(dom.Node placeholder, NgAnimate animate) : super(placeholder, animate);
+}

lib/core_dom/view_factory.dart

@@ -291,5 +291,9 @@ class ElementProbe {
 
 // TODO remove once everybody is using the new names
 
-class BlockFactory extends ViewFactory {}
-class BoundBlockFactory extends BoundViewFactory {}
+abstract class BlockFactory extends ViewFactory {
+}
+
+class BoundBlockFactory extends BoundViewFactory {
+  BoundBlockFactory(ViewFactory viewFactory, Injector injector) : super(viewFactory, injector);
+}

test/io/test_files/templates/partial.dart

@@ -1,4 +1,4 @@
-part of 'main.dart';
+part of test_files.main;
 
 @NgComponent(
     selector: 'my-component',