DevTools: [ux regression] There is no way to clear console history.

third_party/WebKit/Source/devtools/front_end/console/ConsolePanel.js

 /*
  * 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
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 15 matching lines @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /**
  * @constructor
  * @extends {WebInspector.Panel}
  */
 WebInspector.ConsolePanel = function()
 {
     WebInspector.Panel.call(this, "console");
-    this._view = WebInspector.ConsolePanel._view();
-}
-
-/**
- * @return {!WebInspector.ConsoleView}
- */
-WebInspector.ConsolePanel._view = function()
-{
-    if (!WebInspector.ConsolePanel._consoleView)
-        WebInspector.ConsolePanel._consoleView = new WebInspector.ConsoleView();
-
-    return WebInspector.ConsolePanel._consoleView;
+    this._view = WebInspector.ConsoleView.instance();
 }
 
 WebInspector.ConsolePanel.prototype = {
     /**
      * @override
      * @return {!Element}
      */
     defaultFocusedElement: function()
     {
         return this._view.defaultFocusedElement();
@@ skipping 21 matching lines @@
             WebInspector.ConsolePanel.WrapperView._instance._showViewInWrapper();
         WebInspector.inspectorView.setDrawerMinimized(false);
     },
 
     /**
      * @override
      * @return {?WebInspector.SearchableView}
      */
     searchableView: function()
     {
-        return WebInspector.ConsolePanel._view().searchableView();
+        return WebInspector.ConsoleView.instance().searchableView();
     },
 
     __proto__: WebInspector.Panel.prototype
 }
 
 /**
  * @constructor
  * @extends {WebInspector.VBox}
  */
 WebInspector.ConsolePanel.WrapperView = function()
 {
     WebInspector.VBox.call(this);
     this.element.classList.add("console-view-wrapper");
 
     WebInspector.ConsolePanel.WrapperView._instance = this;
 
-    this._view = WebInspector.ConsolePanel._view();
+    this._view = WebInspector.ConsoleView.instance();
 }
 
 WebInspector.ConsolePanel.WrapperView.prototype = {
     wasShown: function()
     {
         if (!WebInspector.inspectorView.currentPanel() || WebInspector.inspectorView.currentPanel().name !== "console")
             this._showViewInWrapper();
         else
             WebInspector.inspectorView.setDrawerMinimized(true);
     },
@@ skipping 34 matching lines @@
 }
 
 WebInspector.ConsolePanel.ConsoleRevealer.prototype = {
     /**
      * @override
      * @param {!Object} object
      * @return {!Promise}
      */
     reveal: function(object)
     {
-        var consoleView = WebInspector.ConsolePanel._view();
+        var consoleView = WebInspector.ConsoleView.instance();
         if (consoleView.isShowing()) {
             consoleView.focus();
             return Promise.resolve();
         }
         WebInspector.inspectorView.showViewInDrawer("console");
         return Promise.resolve();
     }
 }
 
 WebInspector.ConsolePanel.show = function()
@@ skipping 22 matching lines @@
 WebInspector.ConsolePanelFactory.prototype = {
     /**
      * @override
      * @return {!WebInspector.Panel}
      */
     createPanel: function()
     {
         return WebInspector.ConsolePanel._instance();
     }
 }