Defer loading of audio/video tags while prerendering.

chrome/chrome_renderer.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': 'renderer',
       'type': 'static_library',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 120 matching lines @@
         'renderer/localized_error.h',
         'renderer/page_click_listener.h',
         'renderer/page_click_tracker.cc',
         'renderer/page_click_tracker.h',
         'renderer/page_load_histograms.cc',
         'renderer/page_load_histograms.h',
         'renderer/plugin_uma.cc',
         'renderer/plugin_uma.h',
         'renderer/prerender/prerender_helper.cc',
         'renderer/prerender/prerender_helper.h',
+        'renderer/prerender/prerender_webmediaplayer.cc',
+        'renderer/prerender/prerender_webmediaplayer.h',
         'renderer/print_web_view_helper.cc',
         'renderer/print_web_view_helper.h',
         'renderer/print_web_view_helper_linux.cc',
         'renderer/print_web_view_helper_mac.mm',
         'renderer/print_web_view_helper_win.cc',
         'renderer/renderer_histogram_snapshots.cc',
         'renderer/renderer_histogram_snapshots.h',
         'renderer/renderer_tracking.cc',
         'renderer/renderer_tracking.h',
         'renderer/safe_browsing/feature_extractor_clock.cc',
@@ skipping 90 matching lines @@
               'export_dependent_settings': [
                 '<(allocator_target)',
               ],
             }],
           ],
         }],
       ],
     },
   ],
 }