Remove android_java_ui as it is not used

chrome/browser/previews/previews_infobar_tab_helper.cc

Index: chrome/browser/previews/previews_infobar_tab_helper.cc
diff --git a/chrome/browser/previews/previews_infobar_tab_helper.cc b/chrome/browser/previews/previews_infobar_tab_helper.cc
index 976963d7f901617609ed4013ee9422da67a24503..0784ab544c13908af7dde85c3af45b47966b0365 100644
--- a/chrome/browser/previews/previews_infobar_tab_helper.cc
+++ b/chrome/browser/previews/previews_infobar_tab_helper.cc
@@ -25,7 +25,7 @@
 #include "net/http/http_response_headers.h"
 #include "url/gurl.h"
 
-#if BUILDFLAG(ANDROID_JAVA_UI)
+#if defined(OS_ANDROID)
 #include "chrome/browser/android/offline_pages/offline_page_tab_helper.h"
 
 namespace {
@@ -46,7 +46,7 @@ void AddPreviewNavigationCallback(content::BrowserContext* browser_context,
 
 }  // namespace
 
-#endif  // BUILDFLAG(ANDROID_JAVA_UI)
+#endif  // defined(OS_ANDROID)
 
 DEFINE_WEB_CONTENTS_USER_DATA_KEY(PreviewsInfoBarTabHelper);
 
@@ -67,7 +67,7 @@ void PreviewsInfoBarTabHelper::DidFinishNavigation(
     return;
   displayed_preview_infobar_ = false;
 
-#if BUILDFLAG(ANDROID_JAVA_UI)
+#if defined(OS_ANDROID)
   offline_pages::OfflinePageTabHelper* tab_helper =
       offline_pages::OfflinePageTabHelper::FromWebContents(web_contents());
 
@@ -90,7 +90,7 @@ void PreviewsInfoBarTabHelper::DidFinishNavigation(
     // Don't try to show other infobars if this is an offline preview.
     return;
   }
-#endif  // BUILDFLAG(ANDROID_JAVA_UI)
+#endif  // defined(OS_ANDROID)
 
   const net::HttpResponseHeaders* headers =
       navigation_handle->GetResponseHeaders();