Make reflective invocations raise NoSuchMethodErrors in the cases where non-reflective invocations …

runtime/lib/mirrors_impl.dart

Index: runtime/lib/mirrors_impl.dart
===================================================================
--- runtime/lib/mirrors_impl.dart	(revision 25346)
+++ runtime/lib/mirrors_impl.dart	(working copy)
@@ -206,7 +206,7 @@
                                 _n(memberName),
                                 _unwarpAsyncPositionals(positionalArguments));
       return new Future.value(reflect(result)); 
-    } on MirroredError catch(e) {
+    } catch(e) {
       return new Future.error(e);
     }
   }
@@ -216,7 +216,7 @@
       var result = this._invokeGetter(_reflectee,
                                       _n(memberName));
       return new Future.value(reflect(result)); 
-    } on MirroredError catch(e) {
+    } catch(e) {
       return new Future.error(e);
     }
   }
@@ -237,7 +237,7 @@
                                       _n(memberName),
                                       unwrappedValue);
       return new Future.value(reflect(result)); 
-    } on MirroredError catch(e) {
+    } catch(e) {
       return new Future.error(e);
     }
   }
@@ -563,7 +563,7 @@
                                       _n(constructorName),
                                       _unwarpAsyncPositionals(positionalArguments));
       return new Future.value(reflect(result)); 
-    } on MirroredError catch(e) {
+    } catch(e) {
       return new Future.error(e);
     }
   }