Treat '...' as a non-parent path component outside of Windows.

content/browser/fileapi/sandbox_file_system_backend_delegate_unittest.cc

Index: content/browser/fileapi/sandbox_file_system_backend_delegate_unittest.cc
diff --git a/content/browser/fileapi/sandbox_file_system_backend_delegate_unittest.cc b/content/browser/fileapi/sandbox_file_system_backend_delegate_unittest.cc
index fd25aa7f93774d865f2a5b127e06aa0b9ad98481..3031968d502e4c45e6ada693e61195e0f60633b9 100644
--- a/content/browser/fileapi/sandbox_file_system_backend_delegate_unittest.cc
+++ b/content/browser/fileapi/sandbox_file_system_backend_delegate_unittest.cc
@@ -9,6 +9,7 @@
 #include "base/files/scoped_temp_dir.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/thread_task_runner_handle.h"
+#include "build/build_config.h"
 #include "content/public/test/test_file_system_options.h"
 #include "storage/browser/fileapi/file_system_url.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ -66,6 +67,7 @@ TEST_F(SandboxFileSystemBackendDelegateTest, IsAccessValid) {
   EXPECT_FALSE(IsAccessValid(CreateFileSystemURL(".")));
   EXPECT_FALSE(IsAccessValid(CreateFileSystemURL("..")));
 
+#if defined(OS_WIN)
   // This is also disallowed due to Windows XP parent path handling.
   EXPECT_FALSE(IsAccessValid(CreateFileSystemURL("...")));
 
@@ -73,6 +75,11 @@ TEST_F(SandboxFileSystemBackendDelegateTest, IsAccessValid) {
   // on Windows.
   EXPECT_FALSE(IsAccessValid(CreateFileSystemURL(" ..")));
   EXPECT_FALSE(IsAccessValid(CreateFileSystemURL(".. ")));
+#else
+  EXPECT_TRUE(IsAccessValid(CreateFileSystemURL("...")));
+  EXPECT_TRUE(IsAccessValid(CreateFileSystemURL(" ..")));
+  EXPECT_TRUE(IsAccessValid(CreateFileSystemURL(".. ")));
+#endif
 
   // Similar but safe cases.
   EXPECT_TRUE(IsAccessValid(CreateFileSystemURL(" .")));