Fix Aura build.

chrome/chrome_browser.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': 'browser',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 4541 matching lines @@
             ['exclude', '^browser/chromeos/frame/bubble_window.cc'],
             ['exclude', '^browser/chromeos/frame/bubble_window.h'],
             ['exclude', '^browser/external_tab_container_win.cc'],
             ['exclude', '^browser/external_tab_container_win.h'],
             ['exclude', '^browser/first_run/try_chrome_dialog_view.cc'],
             ['exclude', '^browser/first_run/try_chrome_dialog_view.h'],
             ['exclude', '^browser/google/google_update.cc'],
             ['exclude', '^browser/google/google_update.h'],
             ['exclude', '^browser/hang_monitor/'],
             ['exclude', '^browser/renderer_host/render_widget_host_view_views*'],
-            ['exclude', '^browser/tab_contents/web_drag_source_win.cc'],
-            ['exclude', '^browser/tab_contents/web_drag_source_win.h'],
             ['exclude', '^browser/ui/panels/auto_hiding_desktop_bar_win.cc'],
             ['exclude', '^browser/ui/tabs/dock_info_win.cc'],
             ['exclude', '^browser/ui/views/about_ipc_dialog.cc'],
             ['exclude', '^browser/ui/views/app_menu_button_win.cc'],
             ['exclude', '^browser/ui/views/certificate_viewer_win.cc'],
             ['exclude', '^browser/ui/views/dropdown_bar_host_win.cc'],
             ['exclude', '^browser/ui/views/external_protocol_dialog.cc'],
             ['exclude', '^browser/ui/views/find_bar_host_win.cc'],
             ['exclude', '^browser/ui/views/frame/browser_frame_win.cc'],
             ['exclude', '^browser/ui/views/frame/browser_frame_win.h'],
@@ skipping 1069 matching lines @@
       'type': 'static_library',
       'sources': [ 'browser/history/in_memory_url_index_cache.proto' ],
       'variables': {
         'proto_in_dir': 'browser/history',
         'proto_out_dir': 'chrome/browser/history',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }