Convert spellcheck to a buildflag header.

android_webview/native/android_webview_jni_registrar.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 "android_webview/native/android_webview_jni_registrar.h"
 
 #include "android_webview/native/android_protocol_handler.h"
 #include "android_webview/native/aw_autofill_client.h"
 #include "android_webview/native/aw_contents.h"
 #include "android_webview/native/aw_contents_client_bridge.h"
 #include "android_webview/native/aw_contents_statics.h"
 #include "android_webview/native/aw_debug.h"
 #include "android_webview/native/aw_devtools_server.h"
 #include "android_webview/native/aw_form_database.h"
 #include "android_webview/native/aw_gl_functor.h"
 #include "android_webview/native/aw_http_auth_handler.h"
 #include "android_webview/native/aw_metrics_switch.h"
 #include "android_webview/native/aw_pdf_exporter.h"
 #include "android_webview/native/aw_picture.h"
 #include "android_webview/native/aw_quota_manager_bridge_impl.h"
 #include "android_webview/native/aw_settings.h"
 #include "android_webview/native/aw_web_contents_delegate.h"
 #include "android_webview/native/cookie_manager.h"
 #include "android_webview/native/permission/aw_permission_request.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_registrar.h"
 #include "base/trace_event/trace_event.h"
+#include "components/spellcheck/spellcheck_build_features.h"
 
-#if defined(ENABLE_SPELLCHECK)
+#if BUILDFLAG(ENABLE_SPELLCHECK)
 #include "components/spellcheck/browser/android/component_jni_registrar.h"
 #endif
 
 namespace android_webview {
 
 static base::android::RegistrationMethod kWebViewRegisteredMethods[] = {
   // Register JNI for android_webview classes.
   { "AndroidProtocolHandler", RegisterAndroidProtocolHandler },
   { "AwAutofillClient", RegisterAwAutofillClient },
   { "AwContents", RegisterAwContents },
   { "AwContentsClientBridge", RegisterAwContentsClientBridge },
   { "AwContentsStatics", RegisterAwContentsStatics },
   { "AwDebug", RegisterAwDebug },
   { "AwDevToolsServer", RegisterAwDevToolsServer },
   { "AwFormDatabase", RegisterAwFormDatabase },
   { "AwPicture", RegisterAwPicture },
   { "AwSettings", RegisterAwSettings },
   { "AwHttpAuthHandler", RegisterAwHttpAuthHandler },
   { "AwMetricsServiceClient", RegisterAwMetricsServiceClient },
   { "AwPdfExporter", RegisterAwPdfExporter },
   { "AwPermissionRequest", RegisterAwPermissionRequest },
   { "AwQuotaManagerBridge", RegisterAwQuotaManagerBridge },
   { "AwWebContentsDelegate", RegisterAwWebContentsDelegate },
   { "CookieManager", RegisterCookieManager },
   { "AwGLFunctor", RegisterAwGLFunctor },
-#if defined(ENABLE_SPELLCHECK)
+#if BUILDFLAG(ENABLE_SPELLCHECK)
   {"SpellCheckerSessionBridge", spellcheck::android::RegisterSpellcheckJni},
 #endif
 };
 
 bool RegisterJni(JNIEnv* env) {
   TRACE_EVENT0("startup", "android_webview::RegisterJni");
   return RegisterNativeMethods(env,
       kWebViewRegisteredMethods, arraysize(kWebViewRegisteredMethods));
 }
 
 } // namespace android_webview