Update pubspecs and dependencies to get pkgbuild tests working.

third_party/pkg/angular/perf/try_catch_perf.dart

-library angular.perf.try_catch;
-
-import '_perf.dart';
-
-/**
- * Compare with JS: http://jsperf.com/throw-new-error-vs-throw-name-error
- *
- * JavaScript vs Dart times on same machine:
- *
- *                      JavaScript        Dart
- * try-catch no stack:   4,952,173   3,944,303 ops/sec
- * try-catch with stack:   111,815     840,843 ops/sec
- * try-catch read stack:     9,206       9,356 ops/sec
- */
-main() {
-  var obj = {};
-  time('try-catch no stack', () {
-    try { throw obj; } catch(e) { return e; }
-  } );
-  time('try-catch with stack', () {
-    try { throw obj; } catch(e, s) { return s; }
-  } );
-  time('try-catch read stack', () {
-    try { throw obj; } catch(e, s) { return '$s'; }
-  } );
-}