[DevTools] Migrate FileBasedSearchResultsPane to TreeOutlineInShadow.

This is a step towards turning all tree outlines into independent web components,
removing global styles related to it and allowing more components to encapsulate their inner details.

BUG=none

Review-Url: https://codereview.chromium.org/2339683005
Cr-Commit-Position: refs/heads/master@{#418782}

third_party/WebKit/Source/devtools/BUILD.gn

@@ -624,6 +624,7 @@ devtools_source_frame_js_files = [
 ]
 devtools_sources_js_files = [
   "front_end/sources/eventListenerBreakpoints.css",
+  "front_end/sources/fileBasedSearchResultsPane.css",
   "front_end/sources/navigatorView.css",
   "front_end/sources/revisionHistory.css",
   "front_end/sources/serviceWorkersSidebar.css",

third_party/WebKit/Source/devtools/front_end/sources/FileBasedSearchResultsPane.js

@@ -12,10 +12,8 @@ WebInspector.FileBasedSearchResultsPane = function(searchConfig)
     WebInspector.SearchResultsPane.call(this, searchConfig);
 
     this._searchResults = [];
-
-    this.element.id = "search-results-pane-file-based";
-    this._treeOutline = new TreeOutline();
-    this._treeOutline.element.classList.add("search-results-outline-disclosure");
+    this._treeOutline = new TreeOutlineInShadow();
+    this._treeOutline.registerRequiredCSS("sources/fileBasedSearchResultsPane.css");
     this.element.appendChild(this._treeOutline.element);
 
     this._matchesExpandedCount = 0;

third_party/WebKit/Source/devtools/front_end/sources/fileBasedSearchResultsPane.css

+/*
+ * Copyright 2016 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.
+ */
+
+:host {
+    padding: 0;
+    margin: 0;
+}
+
+.tree-outline {
+    padding: 0;
+}
+
+.tree-outline ol {
+    padding: 0;
+}
+
+li.search-result {
+    font-size: 11px;
+    padding: 2px 0 2px 4px;
+    word-wrap: normal;
+    white-space: pre;
+    cursor: pointer;
+}
+
+li.search-result:hover {
+    background-color: rgba(121, 121, 121, 0.1);
+}
+
+li.search-result .search-result-file-name {
+    font-weight: bold;
+    color: #222;
+}
+
+li.search-result .search-result-matches-count {
+    margin-left: 5px;
+    color: #222;
+}
+
+li.show-more-matches {
+    padding: 4px 0;
+    color: #222;
+    cursor: pointer;
+    font-size: 11px;
+    margin-left: 20px;
+}
+
+li.show-more-matches:hover {
+    text-decoration: underline;
+}
+
+li.search-match {
+    word-wrap: normal;
+    white-space: pre;
+    min-height: 12px;
+}
+
+li.search-match::before {
+    display: none;
+}
+
+li.search-match .search-match-line-number {
+    color: rgb(128, 128, 128);
+    text-align: right;
+    vertical-align: top;
+    word-break: normal;
+    padding-right: 4px;
+    padding-left: 6px;
+    margin-right: 5px;
+    border-right: 1px solid #BBB;
+}
+
+li.search-match:not(:hover) .search-match-line-number {
+    background-color: #F0F0F0;
+}
+
+li.search-match:hover {
+    background-color: rgba(56, 121, 217, 0.1);
+}
+
+li.search-match .highlighted-match {
+    background-color: #F1EA00;
+}
+
+:host-context(.-theme-with-dark-background) li.search-match .highlighted-match {
+    background-color: hsl(133, 100%, 30%) !important;
+}
+
+.tree-outline a {
+    text-decoration: none;
+    display: block;
+}
+
+li.search-match .search-match-content {
+    color: #000;
+}

third_party/WebKit/Source/devtools/front_end/sources/module.json

@@ -549,6 +549,7 @@
     "resources": [
         "uiList.css",
         "eventListenerBreakpoints.css",
+        "fileBasedSearchResultsPane.css",
         "navigatorView.css",
         "revisionHistory.css",
         "serviceWorkersSidebar.css",

third_party/WebKit/Source/devtools/front_end/sources/sourcesSearch.css

@@ -89,37 +89,6 @@
     overflow: hidden;
 }
 
-#search-results-pane-file-based li {
-    list-style: none;
-}
-
-#search-results-pane-file-based ol {
-    -webkit-padding-start: 0;
-    margin-top: 0;
-}
-
-#search-results-pane-file-based ol.children {
-    display: none;
-}
-
-#search-results-pane-file-based ol.children.expanded {
-    display: block;
-}
-
-#search-results-pane-file-based li.parent::before {
-    -webkit-user-select: none;
-    background-image: url(Images/toolbarButtonGlyphs.png);
-    background-size: 352px 168px;
-    opacity: 0.5;
-    width: 12px;
-    content: "a";
-    color: transparent;
-    margin-left: -5px;
-    padding-right: 4px;
-    display: inline-block;
-    box-sizing: border-box;
-}
-
 @media (-webkit-min-device-pixel-ratio: 1.1) {
 .search-drawer-header .search-icon {
     background-image: url(Images/toolbarButtonGlyphs_2x.png);
@@ -128,95 +97,8 @@
 .search-drawer-header .search-cancel-button::before {
     background-image: url(Images/toolbarButtonGlyphs_2x.png);
 }
-
-#search-results-pane-file-based li.parent::before {
-    background-image: url(Images/toolbarButtonGlyphs_2x.png);
-}
 } /* media */
 
-#search-results-pane-file-based li.parent::before {
-    background-position: -4px -96px;
-}
-
-#search-results-pane-file-based li.parent.expanded::before {
-    background-position: -20px -96px;
-}
-
-#search-results-pane-file-based .search-result {
-    font-size: 11px;
-    padding: 2px 0 2px 10px;
-    word-wrap: normal;
-    white-space: pre;
-    cursor: pointer;
-}
-
-#search-results-pane-file-based .search-result:hover {
-    background-color: rgba(121, 121, 121, 0.1);
-}
-
-#search-results-pane-file-based .search-result .search-result-file-name {
-    font-weight: bold;
-    color: #222;
-}
-
-#search-results-pane-file-based .search-result .search-result-matches-count {
-    margin-left: 5px;
-    color: #222;
-}
-
-#search-results-pane-file-based .show-more-matches {
-    padding: 4px 0;
-    color: #222;
-    cursor: pointer;
-    font-size: 11px;
-    margin-left: 20px;
-}
-
-#search-results-pane-file-based .show-more-matches:hover {
-    text-decoration: underline;
-}
-
-#search-results-pane-file-based .search-match {
-    word-wrap: normal;
-    white-space: pre;
-}
-
-#search-results-pane-file-based .search-match .search-match-line-number {
-    color: rgb(128, 128, 128);
-    text-align: right;
-    vertical-align: top;
-    word-break: normal;
-    padding-right: 4px;
-    padding-left: 6px;
-    margin-right: 5px;
-    border-right: 1px solid #BBB;
-}
-
-#search-results-pane-file-based .search-match:not(:hover) .search-match-line-number {
-    background-color: #F0F0F0;
-}
-
-#search-results-pane-file-based .search-match:hover {
-    background-color: rgba(56, 121, 217, 0.1);
-}
-
-#search-results-pane-file-based .search-match .highlighted-match {
-    background-color: #F1EA00;
-}
-
-:host-context(.-theme-with-dark-background) #search-results-pane-file-based .search-match .highlighted-match {
-    background-color: hsl(133, 100%, 30%) !important;
-}
-
-#search-results-pane-file-based a {
-    text-decoration: none;
-    display: block;
-}
-
-#search-results-pane-file-based .search-match .search-match-content {
-    color: #000;
-}
-
 .search-view .search-results {
     overflow-y: auto;
     display: flex;