Revert of Base: Make FileProxy automaticaly close the file on a worker thread.

base/files/file_proxy_unittest.cc

Index: base/files/file_proxy_unittest.cc
diff --git a/base/files/file_proxy_unittest.cc b/base/files/file_proxy_unittest.cc
index 774892371709eb11d1cfdf7810c75792a97b0d52..bb7e6c31185422fa39a79383f1ebbaf7a7b5006b 100644
--- a/base/files/file_proxy_unittest.cc
+++ b/base/files/file_proxy_unittest.cc
@@ -14,7 +14,6 @@
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread.h"
-#include "base/threading/thread_restrictions.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace base {
@@ -144,21 +143,6 @@
   EXPECT_FALSE(PathExists(test_path()));
 }
 
-TEST_F(FileProxyTest, CreateOrOpen_AbandonedCreate) {
-  bool prev = ThreadRestrictions::SetIOAllowed(false);
-  {
-    FileProxy proxy(file_task_runner());
-    proxy.CreateOrOpen(
-        test_path(),
-        File::FLAG_CREATE | File::FLAG_READ,
-        Bind(&FileProxyTest::DidCreateOrOpen, weak_factory_.GetWeakPtr()));
-  }
-  MessageLoop::current()->Run();
-  ThreadRestrictions::SetIOAllowed(prev);
-
-  EXPECT_TRUE(PathExists(test_path()));
-}
-
 TEST_F(FileProxyTest, Close) {
   // Creates a file.
   FileProxy proxy(file_task_runner());