Remove android_java_ui as it is not used

chrome/browser/dom_distiller/profile_utils.cc

 // 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.
 
 #include "chrome/browser/dom_distiller/profile_utils.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/command_line.h"
 #include "chrome/browser/dom_distiller/dom_distiller_service_factory.h"
 #include "chrome/browser/dom_distiller/lazy_dom_distiller_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_isolated_world_ids.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/features.h"
 #include "components/dom_distiller/content/browser/distiller_javascript_utils.h"
 #include "components/dom_distiller/content/browser/distiller_ui_handle.h"
 #include "components/dom_distiller/content/browser/dom_distiller_viewer_source.h"
 #include "components/dom_distiller/core/dom_distiller_switches.h"
 #include "components/dom_distiller/core/url_constants.h"
 
-#if BUILDFLAG(ANDROID_JAVA_UI)
+#if defined(OS_ANDROID)
 #include "chrome/browser/android/dom_distiller/distiller_ui_handle_android.h"
-#endif  // BUILDFLAG(ANDROID_JAVA_UI)
+#endif  // defined(OS_ANDROID)
 
 namespace dom_distiller {
 
 void RegisterViewerSource(Profile* profile) {
   bool enabled_distiller = base::CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableDomDistiller);
   if (!enabled_distiller)
     return;
 
   DomDistillerServiceFactory* dom_distiller_service_factory =
       DomDistillerServiceFactory::GetInstance();
   // The LazyDomDistillerService deletes itself when the profile is destroyed.
   LazyDomDistillerService* lazy_service =
       new LazyDomDistillerService(profile, dom_distiller_service_factory);
   std::unique_ptr<DistillerUIHandle> ui_handle;
 
-#if BUILDFLAG(ANDROID_JAVA_UI)
+#if defined(OS_ANDROID)
   ui_handle.reset(new dom_distiller::android::DistillerUIHandleAndroid());
-#endif  // BUILDFLAG(ANDROID_JAVA_UI)
+#endif  // defined(OS_ANDROID)
 
   // Set the JavaScript world ID.
   if (!DistillerJavaScriptWorldIdIsSet()) {
     SetDistillerJavaScriptWorldId(chrome::ISOLATED_WORLD_ID_CHROME_INTERNAL);
   }
 
   content::URLDataSource::Add(
       profile, new DomDistillerViewerSource(lazy_service, kDomDistillerScheme,
                                             std::move(ui_handle)));
 }
 
 }  // namespace dom_distiller