Remove more non-aura windows code.

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 1437 matching lines @@
 const char kSyncEnableDeferredStartup[]     = "sync-enable-deferred-startup";
 
 // Enables feature to avoid unnecessary GetUpdate requests.
 const char kSyncEnableGetUpdateAvoidance[]   =
     "sync-enable-get-update-avoidance";
 
 // Enables directory support for sync filesystem
 const char kSyncfsEnableDirectoryOperation[] =
     "enable-syncfs-directory-operation";
 
-// Enables tab dragging to create a real browser.
-const char kTabBrowserDragging[]            = "enable-tab-browser-dragging";
-
 // Passes the name of the current running automated test to Chrome.
 const char kTestName[]                      = "test-name";
 
 // Type of the current test harness ("browser" or "ui").
 const char kTestType[]                      = "test-type";
 
 // Tells the app to listen for and broadcast testing-related messages on IPC
 // channel with the given ID.
 const char kTestingChannelID[]              = "testing-channel";
 
@@ skipping 213 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