Move the tracked completion callback code into shared impl.

ppapi/ppapi_shared.gypi

 # Copyright (c) 2011 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_shared',
       'type': '<(component)',
       'dependencies': [
@@ skipping 12 matching lines @@
         'PPAPI_SHARED_IMPLEMENTATION',
         'PPAPI_THUNK_IMPLEMENTATION',
       ],
       'include_dirs': [
         '..',
       ],
       'export_dependent_settings': [
         '../base/base.gyp:base',
       ],
       'sources': [
+        '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',
         'shared_impl/platform_file.h',
         'shared_impl/ppapi_globals.cc',
@@ skipping 39 matching lines @@
         'shared_impl/proxy_lock.cc',
         'shared_impl/proxy_lock.h',
         'shared_impl/resource.cc',
         'shared_impl/resource.h',
         'shared_impl/resource_tracker.cc',
         'shared_impl/resource_tracker.h',
         'shared_impl/scoped_pp_resource.cc',
         'shared_impl/scoped_pp_resource.h',
         'shared_impl/time_conversion.cc',
         'shared_impl/time_conversion.h',
+        'shared_impl/tracked_callback.cc',
+        'shared_impl/tracked_callback.h',
         'shared_impl/var.cc',
         'shared_impl/var.h',
         'shared_impl/var_tracker.cc',
         'shared_impl/var_tracker.h',
         'shared_impl/webkit_forwarding.cc',
         'shared_impl/webkit_forwarding.h',
         # TODO(viettrungluu): Split these out; it won't be used in NaCl.
         'shared_impl/private/net_address_private_impl.cc',
         'shared_impl/private/net_address_private_impl.h',
 
@@ skipping 90 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',
       ],
     },
   ],
 }