修复稳定性测试多线程下SIGBUS的cppcrash · Pull Request !30 · OpenHarmony-TPC/chromium_cef

* 相关的issue：
https://gitee.com/openharmony-sig/chromium_cef/issues/I891YA

* 解决方法：
使用原生流程，直接在IO线程执行回调，ACE侧会将任务到JS线程执行，此处抛任务到UI线程冗余。

* 问题原因:
WeakPtr非线程安全，调用GetWeakPtr创建弱指针时候需要与初始化线程绑定，但是代码中，weak_ptr_factory_在IO线程中初始化，但是被抛到UI线程使用，访问成员变量，存在线程安全问题。
```c++
-  void GetOhosResourceHandlerInUiTask(
-      int32_t request_id,
-      network::ResourceRequest* request,
-      ShouldInterceptRequestResultCallback callback) {
-    CEF_REQUIRE_UIT();
-    RequestState* state = GetState(request_id);
-    if (!state) {
-      std::move(callback).Run(nullptr);
-      return;
-    }
-    CefRefPtr<CefResourceHandler> resource_handler;
-
-    if (state->handler_) {
-      // Does the client want to handle the request?
-      if (request) {
-        state->pending_request_->SetDestination(request->destination);
-      }
-      resource_handler = state->handler_->GetResourceHandler(
-          init_state_->browser_, init_state_->frame_,
-          state->pending_request_.get());
-    }
-
-    CEF_POST_TASK(
-        CEF_IOT,
-        base::BindOnce(
-            &InterceptedRequestHandlerWrapper::GetOhosResourceHandlerResult,
-            weak_ptr_factory_.GetWeakPtr(), request_id, request,
-            resource_handler, std::move(callback)));
-  }
-
-  void GetOhosResourceHandler(int32_t request_id,
-                              network::ResourceRequest* request,
-                              ShouldInterceptRequestResultCallback callback) {
-    CEF_POST_TASK(
-        CEF_UIT,
-        base::BindOnce(
-            &InterceptedRequestHandlerWrapper::GetOhosResourceHandlerInUiTask,
-            weak_ptr_factory_.GetWeakPtr(), request_id, request,
-            std::move(callback)));
-  }
```

类型	指派人员	状态
审查	pilipala195 defeng2020 已审查通过 leezheng wanghui Lei Gao lin fredranking	已完成 (1/1人)
测试	openharmony_ci 已测试通过	已完成 (1/1人)

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