Revert of [BlobAsync] Fixed race between IPC messages and IO task queue

content/child/blob_storage/blob_transport_controller_unittest.cc

Index: content/child/blob_storage/blob_transport_controller_unittest.cc
diff --git a/content/child/blob_storage/blob_transport_controller_unittest.cc b/content/child/blob_storage/blob_transport_controller_unittest.cc
index 063d4db31b46d3f87606b3083a517db0e84fa513..08120fcaca7c23a4809d5c3410fbaed9240baf77 100644
--- a/content/child/blob_storage/blob_transport_controller_unittest.cc
+++ b/content/child/blob_storage/blob_transport_controller_unittest.cc
@@ -280,16 +280,16 @@
   // Check that we have the 'increase ref' pending task.
   EXPECT_TRUE(main_thread_runner_->HasPendingTask());
   // Check that we have the 'store' pending task.
-  EXPECT_FALSE(holder->IsTransporting(kBlobUUID));
   EXPECT_TRUE(io_thread_runner_->HasPendingTask());
-  io_thread_runner_->RunPendingTasks();
-  EXPECT_TRUE(holder->IsTransporting(kBlobUUID));
   // Check that we've sent the data.
   ExpectRegisterAndStartMessage(kBlobUUID, kBlobContentType,
                                 &message_descriptions);
   main_thread_runner_->ClearPendingTasks();
 
   // Check that we got the correct start message.
+  EXPECT_FALSE(holder->IsTransporting(kBlobUUID));
+  io_thread_runner_->RunPendingTasks();
+  EXPECT_TRUE(holder->IsTransporting(kBlobUUID));
   base::Tuple<std::string, std::vector<DataElement>> message_contents;
   EXPECT_EQ(MakeBlobElement(KRefBlobUUID, 10, 10), message_descriptions[0]);