Stop running pub get at gclient sync time and fix build bugs

mojo/public/dart/third_party/test/lib/src/runner/browser/iframe_test.dart

Index: mojo/public/dart/third_party/test/lib/src/runner/browser/iframe_test.dart
diff --git a/mojo/public/dart/third_party/test/lib/src/runner/browser/iframe_test.dart b/mojo/public/dart/third_party/test/lib/src/runner/browser/iframe_test.dart
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index 0000000000000000000000000000000000000000..034164563d73d55a22146a6de6bb71cb9ab3e6ab
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+++ b/mojo/public/dart/third_party/test/lib/src/runner/browser/iframe_test.dart
@@ -0,0 +1,80 @@
+// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+library test.runner.browser.iframe_test;
+
+import '../../backend/live_test.dart';
+import '../../backend/live_test_controller.dart';
+import '../../backend/metadata.dart';
+import '../../backend/state.dart';
+import '../../backend/suite.dart';
+import '../../backend/test.dart';
+import '../../util/multi_channel.dart';
+import '../../util/remote_exception.dart';
+import '../../util/stack_trace_mapper.dart';
+
+/// A test in a running iframe.
+class IframeTest implements Test {
+  final String name;
+  final Metadata metadata;
+
+  /// The mapper used to map stack traces for errors coming from this test, or
+  /// `null`.
+  final StackTraceMapper _mapper;
+
+  /// The channel used to communicate with the test's [IframeListener].
+  final MultiChannel _channel;
+
+  IframeTest(this.name, this.metadata, this._channel, {StackTraceMapper mapper})
+      : _mapper = mapper;
+
+  LiveTest load(Suite suite) {
+    var controller;
+    var testChannel;
+    controller = new LiveTestController(suite, this, () {
+      controller.setState(const State(Status.running, Result.success));
+
+      testChannel = _channel.virtualChannel();
+      _channel.sink.add({
+        'command': 'run',
+        'channel': testChannel.id
+      });
+
+      testChannel.stream.listen((message) {
+        if (message['type'] == 'error') {
+          var asyncError = RemoteException.deserialize(message['error']);
+
+          var stackTrace = asyncError.stackTrace;
+          if (_mapper != null) stackTrace = _mapper.mapStackTrace(stackTrace);
+
+          controller.addError(asyncError.error, stackTrace);
+        } else if (message['type'] == 'state-change') {
+          controller.setState(
+              new State(
+                  new Status.parse(message['status']),
+                  new Result.parse(message['result'])));
+        } else if (message['type'] == 'print') {
+          controller.print(message['line']);
+        } else {
+          assert(message['type'] == 'complete');
+          controller.completer.complete();
+        }
+      });
+    }, () {
+      // Ignore all future messages from the test and complete it immediately.
+      // We don't need to tell it to run its tear-down because there's nothing a
+      // browser test needs to clean up on the file system anyway.
+      testChannel.sink.close();
+      if (!controller.completer.isCompleted) controller.completer.complete();
+    });
+    return controller.liveTest;
+  }
+
+  Test change({String name, Metadata metadata}) {
+    if (name == name && metadata == this.metadata) return this;
+    if (name == null) name = this.name;
+    if (metadata == null) metadata = this.metadata;
+    return new IframeTest(name, metadata, _channel);
+  }
+}