Get most of the rest of chrome to build (but not link) with USE_AURA

chrome/default_plugin/default_plugin.gyp

 # 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.
 
 {
   'variables': {
     'chromium_code': 1,
    },
   'targets': [
     {
@@ skipping 20 matching lines @@
         'plugin_impl_mac.h',
         'plugin_impl_mac.mm',
         'plugin_impl_win.cc',
         'plugin_impl_win.h',
         'plugin_installer_base.cc',
         'plugin_installer_base.h',      
         'plugin_main.cc',
         'plugin_main.h',
       ],
       'conditions': [
-         ['OS=="win"', {
-            'link_settings': {
-              'libraries': ['-lurlmon.lib'],
-            },
-            'sources': [
-              'default_plugin_resources.h',
-              'install_dialog.cc',
-              'install_dialog.h',
-              'plugin_database_handler.cc',
-              'plugin_database_handler.h',
-              'plugin_install_job_monitor.cc',
-              'plugin_install_job_monitor.h',
-            ],
-         }],
-         ['toolkit_uses_gtk == 1', {
-            'dependencies': [
-              '<(DEPTH)/build/linux/system.gyp:gtk',
-            ],
-         }],
+        ['use_aura==1', {
+          'sources/': [
+            ['exclude', '^plugin_impl_win.cc'],
+            ['exclude', '^plugin_impl_win.h'],
+          ],
+        }],
+        ['OS=="win"', {
+          'link_settings': {
+            'libraries': ['-lurlmon.lib'],
+          },
+          'sources': [
+            'default_plugin_resources.h',
+            'install_dialog.cc',
+            'install_dialog.h',
+            'plugin_database_handler.cc',
+            'plugin_database_handler.h',
+            'plugin_install_job_monitor.cc',
+            'plugin_install_job_monitor.h',
+          ],
+        }],
+        ['toolkit_uses_gtk == 1', {
+          'dependencies': [
+            '<(DEPTH)/build/linux/system.gyp:gtk',
+          ],
+        }],
       ],
     },
     # This can't be part of chrome.gyp:chrome_resources because then there'd
     # be a cyclic dependency.
     {
       'target_name': 'default_plugin_resources',
       'type': 'none',
       'variables': {
         'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/chrome/default_plugin_resources',
       },
       'actions': [
         {
           'action_name': 'default_plugin_resources',
           'variables': {
             'grit_grd_file': 'default_plugin_resources.grd',
           },
           'includes': [ '../../build/grit_action.gypi' ],
         },
       ],
       'includes': [ '../../build/grit_target.gypi' ],
     },
   ],
 }