Remove content/public/plugin and chrome/plugin

content/content_ppapi_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', {
       'dependencies': [
         '../base/base.gyp:base',
+        '../gin/gin.gyp:gin',
         '../ppapi/ppapi_internal.gyp:ppapi_ipc',
         '../ui/base/ui_base.gyp:ui_base',
         '../ui/gfx/gfx.gyp:gfx',
         '../ui/gfx/gfx.gyp:gfx_geometry',
         '../third_party/WebKit/public/blink.gyp:blink',
         'content_common_mojo_bindings.gyp:content_common_mojo_bindings',
       ],
       'sources': [
         'ppapi_plugin/broker_process_dispatcher.cc',
         'ppapi_plugin/broker_process_dispatcher.h',
         'ppapi_plugin/plugin_process_dispatcher.cc',
         'ppapi_plugin/plugin_process_dispatcher.h',
         'ppapi_plugin/ppapi_blink_platform_impl.cc',
         'ppapi_plugin/ppapi_blink_platform_impl.h',
         'ppapi_plugin/ppapi_broker_main.cc',
         'ppapi_plugin/ppapi_plugin_main.cc',
         'ppapi_plugin/ppapi_thread.cc',
         'ppapi_plugin/ppapi_thread.h',
       ],
       'include_dirs': [
         '..',
       ],
     }],
   ],
 }