Convert ENABLE_WAYLAND_SERVER to a build 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"
 #include "ppapi/features/features.h"
@@ skipping 1111 matching lines @@
 
 // Specifies comma-separated list of extension ids or hosts to grant
 // access to file handle APIs.
 const char kAllowNaClFileHandleAPI[]        = "allow-nacl-file-handle-api";
 
 // Specifies comma-separated list of extension ids or hosts to grant
 // access to TCP/UDP socket APIs.
 const char kAllowNaClSocketAPI[]            = "allow-nacl-socket-api";
 #endif
 
-#if defined(ENABLE_WAYLAND_SERVER)
+#if BUILDFLAG(ENABLE_WAYLAND_SERVER)
 // Enables Wayland display server support.
 const char kEnableWaylandServer[] = "enable-wayland-server";
 #endif
 
 #if defined(OS_WIN) || defined(OS_LINUX)
 extern const char kDisableInputImeAPI[] = "disable-input-ime-api";
 extern const char kEnableInputImeAPI[] = "enable-input-ime-api";
 #endif
 
 bool ExtensionsDisabled(const base::CommandLine& command_line) {
@@ skipping 30 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR VERY NICE FLAGS 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