Convert enable_plugins to a buildflag header.

chrome/browser/download/chrome_download_manager_delegate.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 "chrome/browser/download/chrome_download_manager_delegate.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 36 matching lines @@
 #include "components/pref_registry/pref_registry_syncable.h"
 #include "components/prefs/pref_member.h"
 #include "components/prefs/pref_service.h"
 #include "content/public/browser/download_item.h"
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/page_navigator.h"
 #include "extensions/features/features.h"
 #include "net/base/filename_util.h"
 #include "net/base/mime_util.h"
+#include "ppapi/features/features.h"
 #include "ui/base/l10n/l10n_util.h"
 
 #if BUILDFLAG(ANDROID_JAVA_UI)
 #include "chrome/browser/android/download/chrome_duplicate_download_infobar_delegate.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #endif
 
 #if defined(OS_CHROMEOS)
 #include "chrome/browser/chromeos/drive/download_handler.h"
 #include "chrome/browser/chromeos/drive/file_system_util.h"
@@ skipping 726 matching lines @@
 bool ChromeDownloadManagerDelegate::IsOpenInBrowserPreferreredForFile(
     const base::FilePath& path) {
 #if defined(OS_WIN) || defined(OS_LINUX) || defined(OS_MACOSX)
   if (path.MatchesExtension(FILE_PATH_LITERAL(".pdf"))) {
     return !download_prefs_->ShouldOpenPdfInSystemReader();
   }
 #endif
 
   // On Android, always prefer opening with an external app. On ChromeOS, there
   // are no external apps so just allow all opens to be handled by the "System."
-#if !defined(OS_ANDROID) && !defined(OS_CHROMEOS) && defined(ENABLE_PLUGINS)
+#if !defined(OS_ANDROID) && !defined(OS_CHROMEOS) && BUILDFLAG(ENABLE_PLUGINS)
   // TODO(asanka): Consider other file types and MIME types.
   // http://crbug.com/323561
   if (path.MatchesExtension(FILE_PATH_LITERAL(".pdf")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".htm")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".html")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".shtm")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".shtml")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".svg")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".xht")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".xhtm")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".xhtml")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".xsl")) ||
       path.MatchesExtension(FILE_PATH_LITERAL(".xslt"))) {
     return true;
   }
 #endif
   return false;
 }