Convert --{enable,disable}-simplified-fullscreen-ui to a feature flag.

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"
 #include "build/build_config.h"
 
@@ skipping 497 matching lines @@
 const char kEnableAlternativeServices[] = "enable-alternative-services";
 
 // Enables using bubbles for session restore request instead of infobars.
 const char kEnableSessionCrashedBubble[] = "enable-session-crashed-bubble";
 
 // Enable or disable settings in a separate browser window per profile
 // (see SettingsWindowEnabled() below).
 const char kEnableSettingsWindow[]           = "enable-settings-window";
 const char kDisableSettingsWindow[]          = "disable-settings-window";
 
-// A new user experience for transitioning into fullscreen and mouse pointer
-// lock states.
-const char kEnableSimplifiedFullscreenUI[]  = "enable-simplified-fullscreen-ui";
-const char kDisableSimplifiedFullscreenUI[] =
-    "disable-simplified-fullscreen-ui";
-
 // Enable the Site Engagement App Banner which triggers app install banners
 // using the site engagement service rather than a navigation-based heuristic.
 // Implicitly enables the site engagement service.
 const char kEnableSiteEngagementAppBanner[] =
     "enable-site-engagement-app-banner";
 
 // Enable the Site Engagement Eviction Policy which evicts temporary storage
 // using the site engagement service. Implicitly enables the site engagement
 // service.
 const char kEnableSiteEngagementEvictionPolicy[] =
@@ skipping 849 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