x11: Always require XI2.2 for X11.

build/config/BUILD.gn

 # Copyright (c) 2013 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.
 
 import("//build/config/allocator.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 
 declare_args() {
@@ skipping 103 matching lines @@
     # USE_NSS really means "use nss for certificate validation and storage"
     # (like USE_OPENSSL_CERTS) and not "we're linking to NSS." It might be nice
     # to rename this but we're hoping to transition away from NSS.
     defines += [ "USE_NSS=1" ]
   }
   if (use_ozone) {
     defines += [ "USE_OZONE=1" ]
   }
   if (use_x11) {
     defines += [ "USE_X11=1" ]
-    if (use_xi2_mt > 0) {
-      defines += [ "USE_XI2_MT=$use_xi2_mt" ]
-    }
   }
   if (use_allocator != "tcmalloc") {
     defines += [ "NO_TCMALLOC" ]
   }
   if (is_asan) {
     defines += [
       "ADDRESS_SANITIZER",
       "MEMORY_TOOL_REPLACES_ALLOCATOR",
       "MEMORY_SANITIZER_INITIAL_SIZE",
     ]
@@ skipping 169 matching lines @@
       "CoreText.framework",
       "Foundation.framework",
       "UIKit.framework",
     ]
   } else if (is_linux) {
     libs = [
       "dl",
     ]
   }
 }