Remove content/public/plugin and chrome/plugin

content/content_plugin.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.
-
-{
-  'conditions': [
-    ['enable_plugins==1 and OS!="linux"', {
-      'dependencies': [
-        '../skia/skia.gyp:skia',
-        '../third_party/WebKit/public/blink.gyp:blink',
-        '../third_party/npapi/npapi.gyp:npapi',
-      ],
-      'include_dirs': [
-        '<(INTERMEDIATE_DIR)',
-      ],
-      'sources': [
-        # All .cc, .h, .m, and .mm files under plugins except for tests and
-        # mocks.
-        'plugin/plugin_channel.cc',
-        'plugin/plugin_channel.h',
-        'plugin/plugin_interpose_util_mac.h',
-        'plugin/plugin_interpose_util_mac.mm',
-        'plugin/plugin_main.cc',
-        'plugin/plugin_main_mac.mm',
-        'plugin/plugin_thread.cc',
-        'plugin/plugin_thread.h',
-        'plugin/webplugin_accelerated_surface_proxy_mac.cc',
-        'plugin/webplugin_accelerated_surface_proxy_mac.h',
-        'plugin/webplugin_delegate_stub.cc',
-        'plugin/webplugin_delegate_stub.h',
-        'plugin/webplugin_proxy.cc',
-        'plugin/webplugin_proxy.h',
-        'public/plugin/content_plugin_client.h',
-      ],
-      # These are layered in conditionals in the event other platforms
-      # end up using this module as well.
-      'conditions': [
-        ['OS=="win"', {
-          'include_dirs': [
-            '<(DEPTH)/third_party/wtl/include',
-          ],
-        }],
-      ],
-    }],
-  ],
-}