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

third_party/WebKit/Source/devtools/front_end/console/module.json

 {
     "extensions": [
         {
             "type": "@WebInspector.PanelFactory",
             "name": "console",
             "title": "Console",
             "order": 20,
             "className": "WebInspector.ConsolePanelFactory"
         },
         {
@@ skipping 31 matching lines @@
                     "platform": "windows,linux",
                     "shortcut": "Ctrl+L"
                 },
                 {
                     "platform": "mac",
                     "shortcut": "Ctrl+L Meta+K"
                 }
             ]
         },
         {
+            "type": "@WebInspector.ActionDelegate",
+            "category": "Console",
+            "actionId": "console.clear.history",
+            "title": "Clear console history",
+            "className": "WebInspector.ConsoleView.ActionDelegate"
+        },
+        {
             "type": "setting",
             "category": "Console",
             "title": "Hide network messages",
             "settingName": "hideNetworkMessages",
             "settingType": "boolean",
             "defaultValue": false,
             "options": [
                 { "value": true, "title": "Hide network messages" },
                 { "value": false, "title": "Show network messages" }
             ]
@@ skipping 36 matching lines @@
     ],
     "scripts": [
         "ConsoleViewMessage.js",
         "ConsoleView.js",
         "ConsolePanel.js"
     ],
     "resources": [
         "consoleView.css"
     ]
 }