[DevTools] Do not use "settings" query param.

chrome/browser/devtools/devtools_window.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_DEVTOOLS_DEVTOOLS_WINDOW_H_
 #define CHROME_BROWSER_DEVTOOLS_DEVTOOLS_WINDOW_H_
 
 #include "base/macros.h"
 #include "chrome/browser/devtools/devtools_contents_resizing_strategy.h"
 #include "chrome/browser/devtools/devtools_toggle_action.h"
@@ skipping 236 matching lines @@
                                 const GURL& frontend_url,
                                 content::WebContents* inspected_web_contents,
                                 bool shared_worker_frontend,
                                 const std::string& remote_frontend,
                                 bool can_dock,
                                 const std::string& settings);
   static GURL GetDevToolsURL(Profile* profile,
                              const GURL& base_url,
                              bool shared_worker_frontend,
                              const std::string& remote_frontend,
-                             bool can_dock,
-                             const std::string& settings);
+                             bool can_dock);
 
   static DevToolsWindow* CreateDevToolsWindowForWorker(Profile* profile);
   static void ToggleDevToolsWindow(
       content::WebContents* web_contents,
       bool force_open,
       const DevToolsToggleAction& action,
       const std::string& settings);
 
   // content::WebContentsDelegate:
   void ActivateContents(content::WebContents* contents) override;
@@ skipping 74 matching lines @@
   base::Closure ready_for_test_callback_;
 
   base::TimeTicks inspect_element_start_time_;
   std::unique_ptr<DevToolsEventForwarder> event_forwarder_;
 
   friend class DevToolsEventForwarder;
   DISALLOW_COPY_AND_ASSIGN(DevToolsWindow);
 };
 
 #endif  // CHROME_BROWSER_DEVTOOLS_DEVTOOLS_WINDOW_H_