[ Service ] Remove steal_breakpoint_test.dart

This tests behavior for a flag that no longer exists.

TEST=Deleting a test

Change-Id: Id010b029bf70fb160be69adac1dd5ede8f29496d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/349521
Commit-Queue: Ben Konyi <bkonyi@google.com>
Reviewed-by: Derek Xu <derekx@google.com>
Auto-Submit: Ben Konyi <bkonyi@google.com>
Commit-Queue: Derek Xu <derekx@google.com>
diff --git a/runtime/observatory/tests/service/steal_breakpoint_test.dart b/runtime/observatory/tests/service/steal_breakpoint_test.dart
deleted file mode 100644
index 79a732a..0000000
--- a/runtime/observatory/tests/service/steal_breakpoint_test.dart
+++ /dev/null
@@ -1,78 +0,0 @@
-// 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.
-// VMOptions=--steal-breakpoints
-
-import 'package:observatory/service_io.dart';
-import 'package:test/test.dart';
-import 'test_helper.dart';
-import 'dart:async';
-
-int counter = 0;
-
-void periodicTask(_) {
-  counter++; // Line 14.  We set our breakpoint here.
-  if (counter % 1000 == 0) {
-    print('counter = $counter');
-  }
-}
-
-void startTimer() {
-  new Timer.periodic(const Duration(milliseconds: 10), periodicTask);
-}
-
-var tests = <IsolateTest>[
-// Add a breakpoint and wait for it to be reached.
-  (Isolate isolate) async {
-    await isolate.rootLibrary.load();
-
-    // Set up a listener to wait for breakpoint events.
-    Completer completer = new Completer();
-    var stream = await isolate.vm.getEventStream(VM.kDebugStream);
-    var subscription;
-    subscription = stream.listen((ServiceEvent event) {
-      if (event.kind == ServiceEvent.kPauseBreakpoint) {
-        print('Isolate paused at breakpoint');
-        subscription.cancel();
-        completer.complete();
-      }
-    });
-
-    // Add the breakpoint.
-    var script = isolate.rootLibrary.scripts[0];
-    var result = await isolate.addBreakpoint(script, 14);
-
-    await completer.future; // Wait for breakpoint event to fire.
-  },
-
-// We are at the breakpoint on line 14.
-  (Isolate isolate) async {
-    ServiceMap stack = await isolate.getStack();
-    expect(stack.type, equals('Stack'));
-    expect(stack['frames'].length, greaterThanOrEqualTo(1));
-
-    Script script = stack['frames'][0].location.script;
-    await script.load();
-    expect(script.name, endsWith('steal_breakpoint_test.dart'));
-    expect(
-        script.tokenToLine(stack['frames'][0].location.tokenPos), equals(14));
-  },
-
-// Resume
-  (Isolate isolate) async {
-    Completer completer = new Completer();
-    var stream = await isolate.vm.getEventStream(VM.kDebugStream);
-    var subscription;
-    subscription = stream.listen((ServiceEvent event) {
-      if (event.kind == ServiceEvent.kResume) {
-        print('Isolate resumed');
-        subscription.cancel();
-        completer.complete();
-      }
-    });
-    isolate.resume();
-    await completer.future;
-  },
-];
-
-main(args) => runIsolateTests(args, tests, testeeBefore: startTimer);