Rename spellchecker preprocessor flag

chrome/renderer/BUILD.gn

 # Copyright 2014 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/features.gni")
 import("//tools/grit/grit_rule.gni")
 
 gypi_values = exec_script("//build/gypi_to_gn.py",
                           [ rebase_path("../chrome_renderer.gypi") ],
                           "scope",
@@ skipping 127 matching lines @@
                     ".",
                     "..")
   }
   if (enable_spellcheck) {
     sources +=
         rebase_path(gypi_values.chrome_renderer_spellchecker_sources, ".", "..")
     if (!is_android) {
       deps += [ "//third_party/hunspell" ]
     }
   }
-  if (!use_platform_spellchecker) {
+  if (!use_browser_spellchecker) {
     sources -= [
       "spellchecker/platform_spelling_engine.cc",
       "spellchecker/platform_spelling_engine.h",
     ]
   }
   if (enable_basic_printing || enable_print_preview) {
     deps += [ "//printing" ]
     sources +=
         rebase_path(gypi_values.chrome_renderer_printing_sources, ".", "..")
     if (enable_print_preview) {
@@ skipping 46 matching lines @@
     deps += [ "//chrome/service" ]
   }
 
   if (enable_webrtc) {
     sources += [
       "media/mock_webrtc_logging_message_filter.cc",
       "media/mock_webrtc_logging_message_filter.h",
     ]
   }
 }