Revert "Make F12 close an undocked DevTools window rather than open another DevTools window for thi…

chrome/common/chrome_switches.cc

 // 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.
 
 #include "chrome/common/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 202 matching lines @@
 const char kCrashOnHangThreads[]            = "crash-on-hang-threads";
 
 // Causes the browser process to crash if the number of browser threads that
 // are responding is equal to the given number.
 //
 // For example:
 //    --crash-on-live=1 --> Crash if only one thread is responsive and all
 //                          other threads are not responsive.
 const char kCrashOnLive[]                   = "crash-on-live";
 
-// Enables recursive devtools frontend debugging by enforcing the
-// "Inspect Element" context menu item in devtools windows.
-const char kDebugDevTools[]                 = "debug-devtools";
-
 // Path to the inspector files on disk (allows reloading of devtool files
 // without having to restart the browser).
 const char kDebugDevToolsFrontend[]         = "debug-devtools-frontend";
 
 // Enables a frame context menu item that toggles the frame in and out of glass
 // mode (Windows Vista and up only).
 const char kDebugEnableFrameToggle[]        = "debug-enable-frame-toggle";
 
 // Enables support to debug printing subsystem.
 const char kDebugPrint[]                    = "debug-print";
@@ skipping 1315 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead, please
 // put them in alphabetical order above, or in order inside the appropriate
 // ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches