Do PPB_FileIO Query and Read in the plugin process.

ppapi/ppapi_tests.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'ppapi_tests',
       'type': 'loadable_module',
       'include_dirs': [
@@ skipping 189 matching lines @@
           'conditions': [
             [ 'linux_use_tcmalloc == 1', {
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
             }],
           ],
         }],
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
-      'msvs_disabled_warnings': [ 4267, ],          
+      'msvs_disabled_warnings': [ 4267, ],
     },
     {
       'target_name': 'ppapi_example_skeleton',
       'suppress_wildcard': 1,
       'type': 'none',
       'direct_dependent_settings': {
         'product_name': '>(_target_name)',
         'conditions': [
           ['os_posix==1 and OS!="mac"', {
             'cflags': ['-fvisibility=hidden'],
@@ skipping 298 matching lines @@
         'ppapi.gyp:ppapi_cpp',
       ],
       'sources': [
         'examples/printing/printing.cc',
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
   ],
 }