Do PPB_FileIO Query and Read in the plugin process.

ppapi/tests/test_file_io.cc

Index: ppapi/tests/test_file_io.cc
diff --git a/ppapi/tests/test_file_io.cc b/ppapi/tests/test_file_io.cc
index ed2183b669afc6f4906f78d0376ce41de498d5d8..443f7866e57be06a6fb22c443ba9f7b0ab780346 100644
--- a/ppapi/tests/test_file_io.cc
+++ b/ppapi/tests/test_file_io.cc
@@ -568,10 +568,14 @@ std::string TestFileIO::TestTouchQuery() {
   CHECK_CALLBACK_BEHAVIOR(callback);
   ASSERT_EQ(4, callback.result());
 
-  // last_access_time's granularity is 1 day
-  // last_modified_time's granularity is 2 seconds
   const PP_Time last_access_time = 123 * 24 * 3600.0;
-  const PP_Time last_modified_time = 246.0;
+  // last_modified_time's granularity is 2 seconds
+  // NOTE: In NaCl on Windows, NaClDescIO uses _fstat64 to retrieve file info.
+  // This function returns strange values for very small time values (near the
+  // Unix Epoch). For a value like 246.0, it returns -1. For larger values, it
+  // returns values that are exactly an hour less. The value below is handled
+  // correctly, and is only 100 days after the start of Unix time.
+  const PP_Time last_modified_time = 100 * 24 * 3600.0;
   callback.WaitForResult(file_io.Touch(last_access_time, last_modified_time,
                                        callback.GetCallback()));
   CHECK_CALLBACK_BEHAVIOR(callback);