Fix uses of /deep/ in trace viewer.

tracing/trace_viewer.gypi

 # Copyright (c) 2015 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': {
     'tracing_css_files': [
-      'tracing/ui/base/list_view.css',
       'tracing/ui/extras/about_tracing/common.css',
-      'tracing/ui/extras/chrome/cc/display_item_list_view.css',
-      'tracing/ui/extras/chrome/cc/layer_picker.css',
-      'tracing/ui/extras/chrome/cc/layer_tree_host_impl_view.css',
-      'tracing/ui/extras/chrome/cc/layer_view.css',
-      'tracing/ui/extras/chrome/cc/picture_ops_chart_summary_view.css',
-      'tracing/ui/extras/chrome/cc/picture_ops_chart_view.css',
-      'tracing/ui/extras/chrome/cc/picture_ops_list_view.css',
-      'tracing/ui/extras/chrome/cc/picture_view.css',
       'tracing/ui/extras/chrome/gpu/state_view.css',
       'tracing/ui/extras/system_stats/system_stats_instance_track.css',
       'tracing/ui/extras/system_stats/system_stats_snapshot_view.css',
       'tracing/ui/tracks/drawing_container.css',
       'tracing/ui/tracks/object_instance_track.css',
       'tracing/ui/tracks/process_track_base.css',
       'tracing/ui/tracks/rect_track.css',
       'tracing/ui/tracks/spacing_track.css',
       'tracing/ui/tracks/thread_track.css',
       'tracing/ui/tracks/track.css',
@@ skipping 557 matching lines @@
       'tracing/ui/images/chrome-right.png',
       'tracing/ui/images/ui-states.png',
     ],
     'tracing_files': [
       '<@(tracing_css_files)',
       '<@(tracing_js_html_files)',
       '<@(tracing_img_files)',
     ],
   }
 }