Fix uses of /deep/ in trace viewer.

tracing/tracing/ui/extras/chrome/cc/picture_ops_list_view.css

Index: tracing/tracing/ui/extras/chrome/cc/picture_ops_list_view.css
diff --git a/tracing/tracing/ui/extras/chrome/cc/picture_ops_list_view.css b/tracing/tracing/ui/extras/chrome/cc/picture_ops_list_view.css
deleted file mode 100644
index fd3711b354a16ad23830d14eb47d4de2e96a0640..0000000000000000000000000000000000000000
--- a/tracing/tracing/ui/extras/chrome/cc/picture_ops_list_view.css
+++ /dev/null
@@ -1,62 +0,0 @@
-/* Copyright (c) 2013 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.
- */
-
-* * /deep/ tr-ui-e-chrome-cc-picture-ops-list-view {
-  flex-direction: column;
-  border-top: 1px solid grey;
-  display: flex;
-}
-
-* /deep/ tr-ui-e-chrome-cc-picture-ops-list-view > .x-list-view {
-  flex: 1 1 auto;
-  overflow: auto;
-}
-
-* /deep/ tr-ui-e-chrome-cc-picture-ops-list-view > .x-list-view .list-item {
-  border-bottom: 1px solid #555;
-  font-size: small;
-  font-weight: bold;
-  padding-bottom: 5px;
-  padding-left: 5px;
-}
-
-* /deep/ tr-ui-e-chrome-cc-picture-ops-list-view >
-      .x-list-view .list-item:hover {
-  background-color: #f0f0f0;
-  cursor: pointer;
-}
-
-* /deep/ tr-ui-e-chrome-cc-picture-ops-list-view >
-      .x-list-view .list-item > * {
-  color: #777;
-  font-size: x-small;
-  font-weight: normal;
-  margin-left: 1em;
-  max-width: 300px; /* force long strings to wrap */
-}
-
-* /deep/ tr-ui-e-chrome-cc-picture-ops-list-view >
-      .x-list-view .list-item > .elementInfo {
-  color: purple;
-  font-size: small;
-  font-weight: bold;
-}
-
-* /deep/ tr-ui-e-chrome-cc-picture-ops-list-view >
-      .x-list-view .list-item > .time {
-  color: rgb(136, 0, 0);
-}
-
-* /deep/ tr-ui-e-chrome-cc-picture-ops-list-view .x-list-view:focus >
-      .list-item[beforeSelection] {
-  background-color: rgb(171, 217, 202);
-  outline: 1px dotted rgba(0, 0, 0, 0.1);
-  outline-offset: 0;
-}
-
-* /deep/ tr-ui-e-chrome-cc-picture-ops-list-view .x-list-view >
-      .list-item[beforeSelection] {
-  background-color: rgb(103, 199, 165);
-}