Fix Data Saver test in Cronet

components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc

Index: components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc
diff --git a/components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc b/components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc
index 9c12d242776a69e912dc3d6cb85e1b495dfb4cdc..29b3408b455c8d55e2bbc99b0d8539e494e31832 100644
--- a/components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc
+++ b/components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.cc
@@ -172,6 +172,10 @@ void DataReductionProxyIOData::SetDataReductionProxyService(
   // Using base::Unretained is safe here, unless the browser is being shut down
   // before the Initialize task can be executed. The task is only created as
   // part of class initialization.
+  if (io_task_runner_->BelongsToCurrentThread()) {
+    InitializeOnIOThread();
+    return;
+  }
   io_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&DataReductionProxyIOData::InitializeOnIOThread,
@@ -184,6 +188,10 @@ void DataReductionProxyIOData::InitializeOnIOThread() {
   if (config_client_.get())
     config_client_->InitializeOnIOThread(url_request_context_getter_);
   experiments_stats_->InitializeOnIOThread();
+  if (ui_task_runner_->BelongsToCurrentThread()) {
+    service_->SetIOData(weak_factory_.GetWeakPtr());
+    return;
+  }
   ui_task_runner_->PostTask(
       FROM_HERE,
       base::Bind(&DataReductionProxyService::SetIOData,