Move renderer plugin code into a new component.

chrome/chrome_renderer.gypi

 # Copyright (c) 2012 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': 'renderer',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
       'dependencies': [
         'common',
         'common_net',
         'chrome_resources.gyp:chrome_resources',
         'chrome_resources.gyp:chrome_strings',
         '../components/components.gyp:autofill_content_renderer',
         '../components/components.gyp:startup_metric_utils',
+        '../components/components.gyp:plugins_renderer',
         '../components/components.gyp:visitedlink_renderer',
         '../content/content.gyp:content_renderer',
         '../net/net.gyp:net',
         '../printing/printing.gyp:printing',
         '../skia/skia.gyp:skia',
         '../third_party/WebKit/public/blink.gyp:blink',
         '../third_party/hunspell/hunspell.gyp:hunspell',
         '../third_party/icu/icu.gyp:icui18n',
         '../third_party/icu/icu.gyp:icuuc',
         '../third_party/npapi/npapi.gyp:npapi',
@@ skipping 228 matching lines @@
         'renderer/pepper/pepper_pdf_host.cc',
         'renderer/pepper/pepper_pdf_host.h',
         'renderer/pepper/pepper_shared_memory_message_filter.cc',
         'renderer/pepper/pepper_shared_memory_message_filter.h',
         'renderer/pepper/pnacl_translation_resource_host.cc',
         'renderer/pepper/pnacl_translation_resource_host.h',
         'renderer/pepper/ppb_nacl_private_impl.cc',
         'renderer/pepper/ppb_nacl_private_impl.h',
         'renderer/pepper/ppb_pdf_impl.cc',
         'renderer/pepper/ppb_pdf_impl.h',
-        'renderer/plugins/plugin_placeholder.cc',
-        'renderer/plugins/plugin_placeholder.h',
-        'renderer/plugins/plugin_uma.cc',
-        'renderer/plugins/plugin_uma.h',
-        'renderer/plugins/webview_plugin.cc',
-        'renderer/plugins/webview_plugin.h',
+        'renderer/plugins/chrome_plugin_placeholder.cc',
+        'renderer/plugins/chrome_plugin_placeholder.h',
         'renderer/prerender/prerender_dispatcher.cc',
         'renderer/prerender/prerender_dispatcher.h',
         'renderer/prerender/prerender_extra_data.cc',
         'renderer/prerender/prerender_extra_data.h',
         'renderer/prerender/prerender_helper.cc',
         'renderer/prerender/prerender_helper.h',
         'renderer/prerender/prerender_media_load_deferrer.cc',
         'renderer/prerender/prerender_media_load_deferrer.h',
         'renderer/prerender/prerenderer_client.cc',
         'renderer/prerender/prerenderer_client.h',
@@ skipping 158 matching lines @@
               'export_dependent_settings': [
                 '<(allocator_target)',
               ],
             }],
           ],
         }],
       ],
     },
   ],
 }