Make the file chooser use PP_ArrayOutput

ppapi/ppapi_shared.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.
 
 {
    'variables': {
      'conditions': [
         ['inside_chromium_build==0', {
             'webkit_src_dir': '../../../..',
         },{
@@ skipping 34 matching lines @@
       'conditions': [
         ['OS=="mac"', {
           'link_settings': {
             'libraries': [
               '$(SDKROOT)/System/Library/Frameworks/QuartzCore.framework',
             ],
           },
         }],
       ],
       'sources': [
+        'shared_impl/array_writer.cc',
+        'shared_impl/array_writer.h',
         'shared_impl/callback_tracker.cc',
         'shared_impl/callback_tracker.h',
         'shared_impl/file_type_conversion.cc',
         'shared_impl/file_type_conversion.h',
         'shared_impl/function_group_base.cc',
         'shared_impl/function_group_base.h',
         'shared_impl/host_resource.h',
         'shared_impl/id_assignment.cc',
         'shared_impl/id_assignment.h',
         'shared_impl/platform_file.cc',
@@ skipping 182 matching lines @@
         'thunk/ppb_websocket_api.h',
         'thunk/ppb_websocket_thunk.cc',
         'thunk/ppb_widget_api.h',
         'thunk/ppb_widget_thunk.cc',
         'thunk/ppb_zoom_thunk.cc',
         'thunk/thunk.h',
       ],
     },
   ],
 }