Do PPB_FileIO Query and Read in the plugin process.

ppapi/tests/test_file_io.cc

 // Copyright (c) 2012 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 "ppapi/tests/test_file_io.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <string.h>
@@ skipping 551 matching lines @@
                                       callback.GetCallback()));
   CHECK_CALLBACK_BEHAVIOR(callback);
   ASSERT_EQ(PP_OK, callback.result());
 
   // Write some data to have a non-zero file size.
   callback.WaitForResult(file_io.Write(0, "test", 4, callback.GetCallback()));
   CHECK_CALLBACK_BEHAVIOR(callback);
   ASSERT_EQ(4, callback.result());
 
   // last_access_time's granularity is 1 day
+  const PP_Time last_access_time = 123 * 24 * 3600.0;
   // 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;
+  // 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);
   ASSERT_EQ(PP_OK, callback.result());
 
   PP_FileInfo info;
   callback.WaitForResult(file_io.Query(&info, callback.GetCallback()));
   CHECK_CALLBACK_BEHAVIOR(callback);
   ASSERT_EQ(PP_OK, callback.result());
 
@@ skipping 820 matching lines @@
   if ((invalid_combination && callback.result() == PP_OK) ||
       (!invalid_combination &&
        ((callback.result() == PP_OK) != create_if_doesnt_exist))) {
     return ReportOpenError(open_flags);
   }
 
   return std::string();
 }
 
 // TODO(viettrungluu): Test Close(). crbug.com/69457