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

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

Index: third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js
diff --git a/third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js b/third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js
index bee8c32b36b175236c77e575f1f0eac325d02e5e..2932116d389734224c31950d99ac5807a96badec 100644
--- a/third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js
+++ b/third_party/WebKit/Source/devtools/front_end/console/ConsoleView.js
@@ -164,6 +164,12 @@ WebInspector.ConsoleView.prototype = {
         return this._searchableView;
     },
 
+    _clearHistory: function()
+    {
+        this._consoleHistorySetting.set([]);
+        this._prompt.setHistoryData([]);
+    },
+
     /**
      * @param {!WebInspector.Event} event
      */
@@ -578,6 +584,7 @@ WebInspector.ConsoleView.prototype = {
 
         contextMenu.appendSeparator();
         contextMenu.appendAction("console.clear");
+        contextMenu.appendAction("console.clear.history");
         contextMenu.appendItem(WebInspector.UIString("Save as..."), this._saveConsole.bind(this));
 
         var request = consoleMessage ? consoleMessage.request : null;
@@ -1275,6 +1282,16 @@ WebInspector.ConsoleGroup.prototype = {
 }
 
 /**
+ * @return {!WebInspector.ConsoleView}
+ */
+WebInspector.ConsoleView.instance = function()
+{
+    if (!WebInspector.ConsoleView._instance)
+        WebInspector.ConsoleView._instance = new WebInspector.ConsoleView();
+    return WebInspector.ConsoleView._instance;
+}
+
+/**
  * @constructor
  * @implements {WebInspector.ActionDelegate}
  */
@@ -1298,6 +1315,9 @@ WebInspector.ConsoleView.ActionDelegate.prototype = {
         case "console.clear":
             WebInspector.ConsoleModel.clearConsole();
             return true;
+        case "console.clear.history":
+            WebInspector.ConsoleView.instance()._clearHistory();
+            return true;
         }
         return false;
     }