Add separate ContentClient interfaces for gpu/plugin/renderer processes. Since we don't have a n...

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.
 
 {
   'targets': [
     {
       'target_name': 'content_plugin',
       'type': '<(library)',
       'msvs_guid': '20A560A0-2CD0-4D9E-A58B-1F24B99C087A',
       'dependencies': [
         'content_common',
         '../skia/skia.gyp:skia',
         '../third_party/npapi/npapi.gyp:npapi',
         '../webkit/support/webkit_support.gyp:glue',
       ],
       'include_dirs': [
         '<(INTERMEDIATE_DIR)',
       ],
       'sources': [
         # All .cc, .h, .m, and .mm files under plugins except for tests and
         # mocks.
+        'plugin/content_plugin_client.h',
         'plugin/npobject_base.h',
         'plugin/npobject_proxy.cc',
         'plugin/npobject_proxy.h',
         'plugin/npobject_stub.cc',
         'plugin/npobject_stub.h',
         'plugin/npobject_util.cc',
         'plugin/npobject_util.h',
         'plugin/plugin_channel.cc',
         'plugin/plugin_channel.h',
         'plugin/plugin_channel_base.cc',
@@ skipping 22 matching lines @@
         }],
         ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
           'dependencies': [
             '../build/linux/system.gyp:gtk',
           ],
         }],
       ],
     },
   ],
 }