DevTools: Open Elements panel sooner on Inspect Element

third_party/WebKit/Source/devtools/front_end/devtools_compatibility.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 /* eslint-disable indent */
 (function(window) {
 
   // DevToolsAPI ----------------------------------------------------------------
 
   /**
    * @unrestricted
@@ skipping 319 matching lines @@
      */
     platform() {
       return DevToolsHost.platform();
     }
 
     /**
      * @override
      */
     loadCompleted() {
       DevToolsAPI.sendMessageToEmbedder('loadCompleted', [], null);
+      // Support for legacy (<57) frontends.
+      if (window.Runtime && window.Runtime.queryParam) {
+        var panelToOpen = window.Runtime.queryParam('panel');
+        if (panelToOpen)
+          window.DevToolsAPI.showPanel(panelToOpen);
+      }
     }
 
     /**
      * @override
      */
     bringToFront() {
       DevToolsAPI.sendMessageToEmbedder('bringToFront', [], null);
     }
 
     /**
@@ skipping 882 matching lines @@
      * @return {boolean}
      */
     DOMTokenList.prototype.toggle = function(token, force) {
       if (arguments.length === 1)
         force = !this.contains(token);
       return this.__originalDOMTokenListToggle(token, !!force);
     };
   }
 
 })(window);