Avoid using stale InspectedContext pointers

test/inspector/console/destroy-context-during-log.js

+// Copyright 2016 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.
+
+const expression = `
+  Object.defineProperty(Object.prototype, 'RemoteObject', {
+    configurable: true,
+    set(v) {
+      delete Object.prototype.RemoteObject;
+      this.RemoteObject = v;
+
+      detachInspector();
+      setTimeout(function() {
+        // Attach the inspector again for the sake of establishing a
+        // communication channel with the frontend test runner.
+        attachInspector();
+        console.log("End of test");
+      }, 0);
+    },
+  });
+
+  // Before the whole script runs, the inspector is already attached.
+  // Re-attach the inspector and trigger the console API to make sure that the
+  // injected inspector script runs again (and triggers the above setter).
+  detachInspector();
+  attachInspector();
+  console.log("First inspector activity after attaching inspector");
+`;
+
+Protocol.Runtime.enable();
+Protocol.Runtime.evaluate({ expression: expression });
+
+Protocol.Runtime.onConsoleAPICalled(function(result) {
+  InspectorTest.logObject(result.params.args[0]);
+  if (result.params.args[0].value == "End of test") {
+    InspectorTest.completeTest();
+  }
+});