Replace PluginThreadTaskRunner with a simpler MainPluginThreadTaskRunner.

remoting/remoting_srcs.gypi

 # Copyright 2014 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': {
     'daemon_controller_guid': '655bd819-c08c-4b04-80c2-f160739ff6ef',
     'rdp_desktop_session_guid': '6a7699f0-ee43-43e7-aa30-a6738f9bd470',
     'remoting_base_sources': [
       'base/auto_thread.cc',
       'base/auto_thread.h',
       'base/auto_thread_task_runner.cc',
       'base/auto_thread_task_runner.h',
       'base/buffered_socket_writer.cc',
       'base/buffered_socket_writer.h',
       'base/capabilities.cc',
       'base/capabilities.h',
       'base/compound_buffer.cc',
       'base/compound_buffer.h',
       'base/constants.cc',
       'base/constants.h',
-      'base/plugin_thread_task_runner.cc',
-      'base/plugin_thread_task_runner.h',
       'base/rate_counter.cc',
       'base/rate_counter.h',
       'base/rsa_key_pair.cc',
       'base/rsa_key_pair.h',
       'base/running_average.cc',
       'base/running_average.h',
       'base/scoped_sc_handle_win.h',
       'base/service_urls.cc',
       'base/service_urls.h',
       'base/socket_reader.cc',
@@ skipping 238 matching lines @@
       'client/plugin/pepper_cursor_setter.h',
       'client/plugin/pepper_input_handler.cc',
       'client/plugin/pepper_input_handler.h',
       'client/plugin/pepper_module.cc',
       'client/plugin/pepper_mouse_locker.cc',
       'client/plugin/pepper_mouse_locker.h',
       'client/plugin/pepper_network_manager.cc',
       'client/plugin/pepper_network_manager.h',
       'client/plugin/pepper_packet_socket_factory.cc',
       'client/plugin/pepper_packet_socket_factory.h',
-      'client/plugin/pepper_plugin_thread_delegate.cc',
-      'client/plugin/pepper_plugin_thread_delegate.h',
+      'client/plugin/pepper_main_thread_task_runner.cc',
+      'client/plugin/pepper_main_thread_task_runner.h',
       'client/plugin/pepper_port_allocator.cc',
       'client/plugin/pepper_port_allocator.h',
       'client/plugin/pepper_util.cc',
       'client/plugin/pepper_util.h',
       'client/plugin/pepper_video_renderer.h',
       'client/plugin/pepper_video_renderer_2d.cc',
       'client/plugin/pepper_video_renderer_2d.h',
       'client/plugin/pepper_video_renderer_3d.cc',
       'client/plugin/pepper_video_renderer_3d.h',
     ],
   }
 }