Reland: Plugin Placeholders: Refactor for platforms that don't support plugins

content/content_shell.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.
 
 {
   'variables': {
     'content_shell_product_name': 'Content Shell',
     # The "19" is so that sites that sniff for version think that this is
     # something reasonably current; the "77.34.5" is a hint that this isn't a
     # standard Chrome.
@@ skipping 208 matching lines @@
         'shell/renderer/layout_test/layout_test_content_renderer_client.cc',
         'shell/renderer/layout_test/layout_test_content_renderer_client.h',
         'shell/renderer/layout_test/layout_test_render_frame_observer.cc',
         'shell/renderer/layout_test/layout_test_render_frame_observer.h',
         'shell/renderer/layout_test/layout_test_render_process_observer.cc',
         'shell/renderer/layout_test/layout_test_render_process_observer.h',
         'shell/renderer/layout_test/leak_detector.cc',
         'shell/renderer/layout_test/leak_detector.h',
         'shell/renderer/layout_test/test_media_stream_renderer_factory.cc',
         'shell/renderer/layout_test/test_media_stream_renderer_factory.h',
-        'shell/renderer/layout_test/test_plugin_placeholder.cc',
-        'shell/renderer/layout_test/test_plugin_placeholder.h',
         'shell/renderer/layout_test/test_video_frame_provider.cc',
         'shell/renderer/layout_test/test_video_frame_provider.h',
         'shell/renderer/shell_content_renderer_client.cc',
         'shell/renderer/shell_content_renderer_client.h',
         'shell/renderer/shell_render_view_observer.cc',
         'shell/renderer/shell_render_view_observer.h',
         'shell/utility/shell_content_utility_client.cc',
         'shell/utility/shell_content_utility_client.h',
       ],
       'msvs_settings': {
@@ skipping 813 matching lines @@
                 '--input_symbol', '<(PRODUCT_DIR)/content_shell.exe.pdb',
                 '--destination_dir', '<(dest_dir)',
               ],
             },
           ],
         },
       ],
     }],  # OS=="win" and fastbuild==0 and target_arch=="ia32"
   ]
 }