DevTools: Avoid private member access in non-profiler code

Source/devtools/front_end/sources/BreakpointsSidebarPane.js

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * 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
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 309 matching lines @@
 
         this.expand();
 
         var inputElementContainer = document.createElement("p");
         inputElementContainer.className = "breakpoint-condition";
         var inputElement = document.createElement("span");
         inputElementContainer.textContent = WebInspector.UIString("Break when URL contains:");
         inputElement.className = "editing";
         inputElement.id = "breakpoint-condition-input";
         inputElementContainer.appendChild(inputElement);
-        this._addListElement(inputElementContainer, this.listElement.firstChild);
+        this.addListElement(inputElementContainer, /** @type {?Element} */ (this.listElement.firstChild));
 
         /**
          * @param {boolean} accept
          * @param {!Element} e
          * @param {string} text
          * @this {WebInspector.XHRBreakpointsSidebarPane}
          */
         function finishEditing(accept, e, text)
         {
-            this._removeListElement(inputElementContainer);
+            this.removeListElement(inputElementContainer);
             if (accept) {
                 this._setBreakpoint(text, true);
                 this._saveBreakpoints();
             }
         }
 
         var config = new WebInspector.InplaceEditor.Config(finishEditing.bind(this, true), finishEditing.bind(this, false));
         WebInspector.InplaceEditor.startEditing(inputElement, config);
     },
 
@@ skipping 16 matching lines @@
 
         var labelElement = document.createElement("span");
         if (!url)
             labelElement.textContent = WebInspector.UIString("Any XHR");
         else
             labelElement.textContent = WebInspector.UIString("URL contains \"%s\"", url);
         labelElement.classList.add("cursor-auto");
         labelElement.addEventListener("dblclick", this._labelClicked.bind(this, url), false);
         element.appendChild(labelElement);
 
-        var currentElement = this.listElement.firstChild;
+        var currentElement = /** @type {?Element} */ (this.listElement.firstChild);
         while (currentElement) {
             if (currentElement._url && currentElement._url < element._url)
                 break;
-            currentElement = currentElement.nextSibling;
+            currentElement = /** @type {?Element} */ (currentElement.nextSibling);
         }
-        this._addListElement(element, currentElement);
+        this.addListElement(element, currentElement);
         this._breakpointElements[url] = element;
         if (enabled)
             DOMDebuggerAgent.setXHRBreakpoint(url);
     },
 
     _removeBreakpoint: function(url)
     {
         var element = this._breakpointElements[url];
         if (!element)
             return;
 
-        this._removeListElement(element);
+        this.removeListElement(element);
         delete this._breakpointElements[url];
         if (element._checkboxElement.checked)
             DOMDebuggerAgent.removeXHRBreakpoint(url);
     },
 
     _contextMenu: function(url, event)
     {
         var contextMenu = new WebInspector.ContextMenu(event);
 
         /**
@@ skipping 41 matching lines @@
         element.classList.add("hidden");
 
         /**
          * @param {boolean} accept
          * @param {!Element} e
          * @param {string} text
          * @this {WebInspector.XHRBreakpointsSidebarPane}
          */
         function finishEditing(accept, e, text)
         {
-            this._removeListElement(inputElement);
+            this.removeListElement(inputElement);
             if (accept) {
                 this._removeBreakpoint(url);
                 this._setBreakpoint(text, element._checkboxElement.checked);
                 this._saveBreakpoints();
             } else
                 element.classList.remove("hidden");
         }
 
         WebInspector.InplaceEditor.startEditing(inputElement, new WebInspector.InplaceEditor.Config(finishEditing.bind(this, true), finishEditing.bind(this, false)));
     },
@@ skipping 339 matching lines @@
         var breakpoints = WebInspector.settings.eventListenerBreakpoints.get();
         for (var i = 0; i < breakpoints.length; ++i) {
             var breakpoint = breakpoints[i];
             if (breakpoint && typeof breakpoint.eventName === "string")
                 this._setBreakpoint(breakpoint.eventName, breakpoint.targetNames);
         }
     },
 
     __proto__: WebInspector.SidebarPane.prototype
 }