Move code that doesn't depend on PPAPI out of remoting/client/plugin

remoting/remoting_nacl.gyp

 # 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.
 
 {
   'includes': [
     '../build/common_untrusted.gypi',
     'remoting_srcs.gypi',
   ],
 
@@ skipping 113 matching lines @@
         'base/url_request_context_getter.cc',
         'protocol/chromium_socket_factory.cc',
       ],
 
       # Include normalizing_input_filter_mac.cc excluded by the filename
       # exclusion rules. Must be in target_conditions to make sure it's
       # evaluated after the filename rules.
       'target_conditions': [
         ['1==1', {
           'sources/': [
-            [ 'include', 'client/plugin/normalizing_input_filter_mac.cc' ],
+            [ 'include', 'client/normalizing_input_filter_mac.cc' ],
           ],
         }],
       ],
     },  # end of target 'remoting_client_plugin_lib_nacl'
 
     {
       'target_name': 'remoting_client_plugin_nacl',
       'type': 'none',
       'variables': {
         'nacl_untrusted_build': 1,
@@ skipping 86 matching lines @@
         '-lppapi_cpp',
         '-lpthread',
         '-lnacl_io',
       ],
       'sources': [
         'client/plugin/pepper_module.cc',
       ],
     },  # end of target 'remoting_client_plugin_nacl'
   ]
 }