[DevTools] Cleanup various bindInput implementations.

third_party/WebKit/Source/devtools/front_end/settings/SettingsScreen.js

Index: third_party/WebKit/Source/devtools/front_end/settings/SettingsScreen.js
diff --git a/third_party/WebKit/Source/devtools/front_end/settings/SettingsScreen.js b/third_party/WebKit/Source/devtools/front_end/settings/SettingsScreen.js
index 189895342d4fcbc6ea8a412825eb1fa16e8668e0..a82c2352343ff9b731694220170525c98aa707cd 100644
--- a/third_party/WebKit/Source/devtools/front_end/settings/SettingsScreen.js
+++ b/third_party/WebKit/Source/devtools/front_end/settings/SettingsScreen.js
@@ -293,8 +293,7 @@ WebInspector.WorkspaceSettingsTab = function()
     WebInspector.isolatedFileSystemManager.addEventListener(WebInspector.IsolatedFileSystemManager.Events.FileSystemAdded, this._fileSystemAdded, this);
     WebInspector.isolatedFileSystemManager.addEventListener(WebInspector.IsolatedFileSystemManager.Events.FileSystemRemoved, this._fileSystemRemoved, this);
 
-    var folderExcludeSetting = WebInspector.isolatedFileSystemManager.workspaceFolderExcludePatternSetting();
-    var folderExcludePatternInput = WebInspector.SettingsUI.createSettingInputField(WebInspector.UIString("Folder exclude pattern"), folderExcludeSetting, false, 0, "270px", WebInspector.SettingsUI.regexValidator);
+    var folderExcludePatternInput = this._createFolderExcludePatternInput();
     folderExcludePatternInput.classList.add("folder-exclude-pattern");
     this.containerElement.appendChild(folderExcludePatternInput);
 
@@ -315,6 +314,37 @@ WebInspector.WorkspaceSettingsTab = function()
 
 WebInspector.WorkspaceSettingsTab.prototype = {
     /**
+     * @return {!Element}
+     */
+    _createFolderExcludePatternInput: function()
+    {
+        var p = createElement("p");
+        var labelElement = p.createChild("label");
+        labelElement.textContent = WebInspector.UIString("Folder exclude pattern");
+        var inputElement = p.createChild("input");
+        inputElement.type = "text";
+        inputElement.style.width = "270px";
+        var folderExcludeSetting = WebInspector.isolatedFileSystemManager.workspaceFolderExcludePatternSetting();
+        var setValue = WebInspector.bindInput(inputElement, folderExcludeSetting.set.bind(folderExcludeSetting), regexValidator, false);
+        folderExcludeSetting.addChangeListener(() => setValue.call(null, folderExcludeSetting.get()));
+        return p;
+
+        /**
+         * @param {string} value
+         * @return {boolean}
+         */
+        function regexValidator(value)
+        {
+            var regex;
+            try {
+                regex = new RegExp(value);
+            } catch (e) {
+            }
+            return !!regex;
+        }
+    },
+
+    /**
      * @param {!WebInspector.IsolatedFileSystem} fileSystem
      */
     _addItem: function(fileSystem)