Add PPB_VarArray_Dev support - part 1.

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': '../../../..',
       },{
         'webkit_src_dir': '../third_party/WebKit',
       }],
     ],
   },
   'target_defaults': {
     'variables': {
       'ppapi_shared_target': 0,
     },
     'target_conditions': [
       # This part is shared between the targets defined below.
       ['ppapi_shared_target==1', {
         'sources': [
+          'shared_impl/array_var.cc',
+          'shared_impl/array_var.h',
           'shared_impl/array_writer.cc',
           'shared_impl/array_writer.h',
           'shared_impl/callback_tracker.cc',
           'shared_impl/callback_tracker.h',
           'shared_impl/dictionary_var.cc',
           'shared_impl/dictionary_var.h',
           'shared_impl/file_io_state_manager.cc',
           'shared_impl/file_io_state_manager.h',
           'shared_impl/file_path.cc',
           'shared_impl/file_path.h',
@@ skipping 190 matching lines @@
           'thunk/ppb_text_input_thunk.cc',
           'thunk/ppb_udp_socket_private_api.h',
           'thunk/ppb_udp_socket_private_thunk.cc',
           'thunk/ppb_url_loader_api.h',
           'thunk/ppb_url_loader_thunk.cc',
           'thunk/ppb_url_request_info_api.h',
           'thunk/ppb_url_request_info_thunk.cc',
           'thunk/ppb_url_response_info_api.h',
           'thunk/ppb_url_response_info_thunk.cc',
           'thunk/ppb_url_util_thunk.cc',
+          'thunk/ppb_var_array_thunk.cc',
           'thunk/ppb_var_dictionary_thunk.cc',
           'thunk/ppb_video_capture_api.h',
           'thunk/ppb_video_capture_thunk.cc',
           'thunk/ppb_video_decoder_api.h',
           'thunk/ppb_video_decoder_thunk.cc',
           'thunk/ppb_view_api.h',
           'thunk/ppb_view_dev_thunk.cc',
           'thunk/ppb_view_thunk.cc',
           'thunk/ppb_websocket_api.h',
           'thunk/ppb_websocket_thunk.cc',
@@ skipping 71 matching lines @@
               'thunk/ppb_tcp_socket_private_thunk.cc',
               'thunk/ppb_udp_socket_private_thunk.cc',
               'thunk/ppb_x509_certificate_private_thunk.cc',
             ],
           }],
         ],
       }],
     ],
   },
 }