Fix uncaught exception bug from liveEditScriptSource

test/inspector/debugger/set-script-source-exception.js

+// Copyright 2017 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+print('Check that setScriptSource completes correctly when an exception is thrown.');
+
+Protocol.Debugger.enable();
+
+InspectorTest.runTestSuite([
+  function testIncorrectScriptId(next) {
+    Protocol.Debugger.setScriptSource({ scriptId: '-1', scriptSource: '0' })
+      .then(InspectorTest.logMessage)
+      .then(next);
+  },
+
+  function testSourceWithSyntaxError(next) {
+    Protocol.Debugger.onceScriptParsed()
+      .then(message => Protocol.Debugger.setScriptSource({ scriptId: message.params.scriptId, scriptSource: 'a # b' }))
+      .then(InspectorTest.logMessage)
+      .then(next);
+    InspectorTest.addScript('function foo() {}');
+  }
+]);