[test/inspector] remove any usage of v8::Extension

test/inspector/inspector-impl.h

Index: test/inspector/inspector-impl.h
diff --git a/test/inspector/inspector-impl.h b/test/inspector/inspector-impl.h
index 5cff979c0ebc2c2c8f3165f25f77142ea3e98a91..4b1ca75dd80cb646a6e0eee576a7bc1f4b0cd51d 100644
--- a/test/inspector/inspector-impl.h
+++ b/test/inspector/inspector-impl.h
@@ -26,9 +26,9 @@ class InspectorClientImpl : public v8_inspector::V8InspectorClient {
   virtual ~InspectorClientImpl();
 
   void scheduleReconnect(v8::base::Semaphore* ready_semaphore);
-  void scheduleCreateContextGroup(v8::ExtensionConfiguration* extensions,
-                                  v8::base::Semaphore* ready_semaphore,
-                                  int* context_group_id);
+  void scheduleCreateContextGroup(
+      TaskRunner::SetupGlobalTasks setup_global_tasks,
+      v8::base::Semaphore* ready_semaphore, int* context_group_id);
 
   static v8_inspector::V8Inspector* InspectorFromContext(
       v8::Local<v8::Context> context);
@@ -65,7 +65,8 @@ class InspectorClientImpl : public v8_inspector::V8InspectorClient {
   friend class DisconnectTask;
   void disconnect();
   friend class CreateContextGroupTask;
-  int createContextGroup(v8::ExtensionConfiguration* extensions);
+  int createContextGroup(
+      const TaskRunner::SetupGlobalTasks& setup_global_tasks);
 
   std::unique_ptr<v8_inspector::V8Inspector> inspector_;
   std::unique_ptr<v8_inspector::V8Inspector::Channel> channel_;
@@ -86,13 +87,9 @@ class InspectorClientImpl : public v8_inspector::V8InspectorClient {
   DISALLOW_COPY_AND_ASSIGN(InspectorClientImpl);
 };
 
-class SendMessageToBackendExtension : public v8::Extension {
+class SendMessageToBackendExtension : public TaskRunner::SetupGlobalTask {
  public:
-  SendMessageToBackendExtension()
-      : v8::Extension("v8_inspector/frontend",
-                      "native function sendMessageToBackend();") {}
-  virtual v8::Local<v8::FunctionTemplate> GetNativeFunctionTemplate(
-      v8::Isolate* isolate, v8::Local<v8::String> name);
+  void Run(v8::Isolate* isolate, v8::Local<v8::ObjectTemplate> global) override;
 
   static void set_backend_task_runner(TaskRunner* task_runner) {
     backend_task_runner_ = task_runner;