Fix disabling of FileSystemProviderApiTest.ReadFile

chrome/browser/chromeos/extensions/file_system_provider/file_system_provider_apitest.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <memory>
 #include <utility>
 
 #include "base/files/file.h"
 #include "base/macros.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 144 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(FileSystemProviderApiTest, ReadDirectory) {
   ASSERT_TRUE(RunPlatformAppTestWithFlags("file_system_provider/read_directory",
                                           kFlagLoadAsComponent))
       << message_;
 }
 
 // http://crbug.com/691449
 #if defined(OS_CHROMEOS)
+#define MAYBE_ReadFile DISABLED_ReadFile
+#else
 #define MAYBE_ReadFile ReadFile
-#else
-#define MAYBE_ReadFile DISABLED_ReadFile
 #endif
 IN_PROC_BROWSER_TEST_F(FileSystemProviderApiTest, MAYBE_ReadFile) {
   ASSERT_TRUE(RunPlatformAppTestWithFlags("file_system_provider/read_file",
                                           kFlagLoadAsComponent))
       << message_;
 }
 
 IN_PROC_BROWSER_TEST_F(FileSystemProviderApiTest, BigFile) {
   ASSERT_TRUE(RunPlatformAppTestWithFlags("file_system_provider/big_file",
                                           kFlagLoadAsComponent))
@@ skipping 109 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_F(FileSystemProviderApiTest, Unresponsive_App) {
   AbortOnUnresponsivePerformer performer(browser()->profile());
   ASSERT_TRUE(RunPlatformAppTestWithFlags(
       "file_system_provider/unresponsive_app", kFlagLoadAsComponent))
       << message_;
 }
 
 }  // namespace extensions