DevTools: remove dead code, disambiguate expand for sections.

third_party/WebKit/Source/devtools/front_end/elements/ElementsPanel.js

 /*
  * Copyright (C) 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 83 matching lines @@
 
 WebInspector.ElementsPanel._elementsSidebarViewTitleSymbol = Symbol("title");
 
 WebInspector.ElementsPanel.prototype = {
     /**
      * @param {!WebInspector.CSSProperty} cssProperty
      */
     _revealProperty: function(cssProperty)
     {
         var stylesSidebarPane = this.sidebarPanes.styles;
-        this.sidebarPaneView.selectTab(stylesSidebarPane.title());
+        this.sidebarPaneView.selectTab(WebInspector.UIString("Styles"));
         stylesSidebarPane.revealProperty(/** @type {!WebInspector.CSSProperty} */(cssProperty));
         return Promise.resolve();
     },
 
     /**
      * @param {!WebInspector.StylesSidebarPane} ssp
      * @return {!Element}
      */
     _createStylesSidebarToolbar: function(ssp)
     {
@@ skipping 780 matching lines @@
                 this.sidebarPanes.metrics.show(matchedStylePanesWrapper.element);
         }
 
         /**
          * @param {!WebInspector.Event} event
          * @this {WebInspector.ElementsPanel}
          */
         function tabSelected(event)
         {
             var tabId = /** @type {string} */ (event.data.tabId);
-            if (tabId === computedPane.title())
+            if (tabId === WebInspector.UIString("Computed"))
                 showMetrics.call(this, true);
-            else if (tabId === stylesPane.title())
+            else if (tabId === WebInspector.UIString("Styles"))
                 showMetrics.call(this, false);
         }
 
         this.sidebarPaneView = new WebInspector.SidebarTabbedPane();
         this.sidebarPaneView.element.addEventListener("contextmenu", this._sidebarContextMenuEventFired.bind(this), false);
         if (this._popoverHelper)
             this._popoverHelper.hidePopover();
         this._popoverHelper = new WebInspector.PopoverHelper(this.sidebarPaneView.element, this._getPopoverAnchor.bind(this), this._showPopover.bind(this));
         this._popoverHelper.setTimeout(0);
 
         if (horizontally) {
             this._splitWidget.installResizer(this.sidebarPaneView.headerElement());
 
-            var compositePane = new WebInspector.SidebarPane(this.sidebarPanes.styles.title());
+            var compositePane = new WebInspector.SidebarPane(WebInspector.UIString("Styles"));
             compositePane.element.classList.add("composite");
             compositePane.element.classList.add("fill");
 
             var splitWidget = new WebInspector.SplitWidget(true, true, "stylesPaneSplitViewState", 215);
             splitWidget.show(compositePane.element);
 
             splitWidget.setMainWidget(matchedStylesContainer);
             splitWidget.setSidebarWidget(computedStylePanesWrapper);
 
             computedPane.show(computedStylePanesWrapper.element);
             this.sidebarPaneView.addPane(compositePane);
         } else {
-            var stylesPane = new WebInspector.SidebarPane(this.sidebarPanes.styles.title());
+            var stylesPane = new WebInspector.SidebarPane(WebInspector.UIString("Styles"));
             stylesPane.element.classList.add("composite", "fill", "metrics-and-styles");
 
             matchedStylesContainer.show(stylesPane.element);
             computedStylePanesWrapper.show(computedPane.element);
 
             this.sidebarPaneView.addEventListener(WebInspector.TabbedPane.EventTypes.TabSelected, tabSelected, this);
             this.sidebarPaneView.addPane(stylesPane);
             this.sidebarPaneView.addPane(computedPane);
         }
 
         this.sidebarPanes.styles.show(matchedStylePanesWrapper.element);
         this.sidebarPanes.computedStyle.show(computedStylePanesWrapper.element);
         showMetrics.call(this, horizontally);
 
         this.sidebarPaneView.addPane(this.sidebarPanes.eventListeners);
         this.sidebarPaneView.addPane(this.sidebarPanes.domBreakpoints);
         this.sidebarPaneView.addPane(this.sidebarPanes.properties);
 
         for (var sidebarViewWrapper of this._elementsSidebarViewWrappers)
             this.sidebarPaneView.addPane(sidebarViewWrapper);
 
         this._extensionSidebarPanesContainer = this.sidebarPaneView;
 
         for (var i = 0; i < extensionSidebarPanes.length; ++i)
             this._addExtensionSidebarPane(extensionSidebarPanes[i]);
 
         this._splitWidget.setSidebarWidget(this.sidebarPaneView);
-        this.sidebarPanes.styles.expand();
+        this.sidebarPanes.styles.expandPane();
 
         if (selectedTabId)
             this.sidebarPaneView.selectTab(selectedTabId);
     },
 
     /**
      * @param {!WebInspector.Event} event
      */
     _extensionSidebarPaneAdded: function(event)
     {
@@ skipping 207 matching lines @@
     /**
      * @override
      * @param {!WebInspector.DOMNode} node
      * @return {?{title: string, color: string}}
      */
     decorate: function(node)
     {
         return { color: "orange", title: WebInspector.UIString("Element state: %s", ":" + WebInspector.CSSModel.fromNode(node).pseudoState(node).join(", :")) };
     }
 }