[DevTools] Remove network headers filter experiment.

BUG=none

Review URL: https://codereview.chromium.org/1889913004

Cr-Commit-Position: refs/heads/master@{#388098}

Author: dgozman

front_end/main/Main.js

@@ -113,7 +113,6 @@ WebInspector.Main.prototype = {
         Runtime.experiments.register("inspectTooltip", "Dark inspect element tooltip");
         Runtime.experiments.register("liveSASS", "Live SASS", true);
         Runtime.experiments.register("multipleTimelineViews", "Multiple main views on Timeline", true);
-        Runtime.experiments.register("networkRequestHeadersFilterInDetailsView", "Network request headers filter in details view", true);
         Runtime.experiments.register("networkRequestsOnTimeline", "Network requests on Timeline", true);
         Runtime.experiments.register("privateScriptInspection", "Private script inspection");
         Runtime.experiments.register("reducedIndentation", "Reduced indentation in Elements DOM tree");

front_end/network/RequestHeadersView.js

@@ -44,19 +44,6 @@ WebInspector.RequestHeadersView = function(request)
     this._showRequestHeadersText = false;
     this._showResponseHeadersText = false;
 
-    this._requestHeaderFilterSetting = WebInspector.settings.createSetting("requestHeaderFilterSetting", "");
-
-    /** @type {?RegExp} */
-    this._filterRegex = null;
-    if (Runtime.experiments.isEnabled("networkRequestHeadersFilterInDetailsView")) {
-        this._filterInput = this.element.createChild("input", "filter-input");
-        this._filterInput.type = "text";
-        this._filterInput.placeholder = WebInspector.UIString("Filter headers");
-        this._filterInput.addEventListener("input", this._updateFilter.bind(this), false);
-        this._filterInput.addEventListener("keydown", this._onFilterKeyDown.bind(this), false);
-        this._filterInput.value = this._requestHeaderFilterSetting.get() || "";
-    }
-
     var root = new TreeOutline(true);
     root.element.classList.add("outline-disclosure");
     root.expandTreeElementsWhenArrowing = true;
@@ -75,43 +62,9 @@ WebInspector.RequestHeadersView = function(request)
     this._queryStringCategory = new WebInspector.RequestHeadersView.Category(root, "queryString", "");
     this._formDataCategory = new WebInspector.RequestHeadersView.Category(root, "formData", "");
     this._requestPayloadCategory = new WebInspector.RequestHeadersView.Category(root, "requestPayload", WebInspector.UIString("Request Payload"));
-
-
-    if (Runtime.experiments.isEnabled("networkRequestHeadersFilterInDetailsView")) {
-        this._updateFilter();
-    }
 }
 
 WebInspector.RequestHeadersView.prototype = {
-    _updateFilter: function()
-    {
-        var text = this._filterInput.value;
-        this._requestHeaderFilterSetting.set(text);
-        this._filterRegex = text ? new RegExp(text.escapeForRegExp(), "i") : null;
-        this._updateHeaders();
-    },
-
-    /**
-     * @param {!Event} event
-     */
-    _onFilterKeyDown: function(event)
-    {
-        var text = this._filterInput.value;
-        if (!text)
-            return;
-        if (event.keyCode === WebInspector.KeyboardShortcut.Keys.Esc.code || event.keyIdentifier === "U+001B") {
-            event.consume(true);
-            this._filterInput.value = "";
-            this._updateFilter();
-        }
-    },
-
-    _updateHeaders: function()
-    {
-        this._refreshRequestHeaders();
-        this._refreshResponseHeaders();
-    },
-
     wasShown: function()
     {
         this._request.addEventListener(WebInspector.NetworkRequest.Events.RemoteAddressChanged, this._refreshRemoteAddress, this);
@@ -121,7 +74,8 @@ WebInspector.RequestHeadersView.prototype = {
 
         this._refreshURL();
         this._refreshQueryString();
-        this._updateHeaders();
+        this._refreshRequestHeaders();
+        this._refreshResponseHeaders();
         this._refreshHTTPInformation();
         this._refreshRemoteAddress();
     },
@@ -345,11 +299,7 @@ WebInspector.RequestHeadersView.prototype = {
     _refreshRequestHeaders: function()
     {
         var treeElement = this._requestHeadersCategory;
-
         var headers = this._request.requestHeaders().slice();
-        var filterRegex = this._filterRegex;
-        if (filterRegex)
-            headers = headers.filter(function(header) { return filterRegex.test(header.name) || filterRegex.test(header.value);});
         headers.sort(function(a, b) { return a.name.toLowerCase().compareTo(b.name.toLowerCase()); });
         var headersText = this._request.requestHeadersText();
 
@@ -371,9 +321,6 @@ WebInspector.RequestHeadersView.prototype = {
     {
         var treeElement = this._responseHeadersCategory;
         var headers = this._request.sortedResponseHeaders.slice();
-        var filterRegex = this._filterRegex;
-        if (filterRegex)
-            headers = headers.filter(function(header) { return filterRegex.test(header.name) || filterRegex.test(header.value);});
         var headersText = this._request.responseHeadersText;
 
         if (this._showResponseHeadersText)