Fixes #7742: src: --inspect notify contextDestroyed

deps/v8_inspector/third_party/v8_inspector/platform/v8_inspector/public/V8Inspector.cpp

@@ -71,4 +71,9 @@ bool V8Inspector::canExecuteScripts()
     return true;
 }
 
+void V8Inspector::notifyContextDestroyed()
+{
+    m_debugger->contextDestroyed(m_context);
+}
+
 } // namespace blink

deps/v8_inspector/third_party/v8_inspector/platform/v8_inspector/public/V8Inspector.h

@@ -33,6 +33,7 @@ class V8Inspector : public V8DebuggerClient, V8InspectorSessionClient {
     void connectFrontend(protocol::FrontendChannel*);
     void disconnectFrontend();
     void dispatchMessageFromFrontend(const String16& message);
+    void notifyContextDestroyed();
 
 private:
     bool callingContextCanAccessContext(v8::Local<v8::Context> calling, v8::Local<v8::Context> target) override;

src/inspector_agent.cc

@@ -381,6 +381,7 @@ bool AgentImpl::IsStarted() {
 void AgentImpl::WaitForDisconnect() {
   shutting_down_ = true;
   fprintf(stderr, "Waiting for the debugger to disconnect...\n");
+  inspector_->notifyContextDestroyed();
   inspector_->runMessageLoopOnPause(0);
 }