Move some global feature defines to buildflags

chrome/browser/plugins/plugin_infobar_delegates.cc

Index: chrome/browser/plugins/plugin_infobar_delegates.cc
diff --git a/chrome/browser/plugins/plugin_infobar_delegates.cc b/chrome/browser/plugins/plugin_infobar_delegates.cc
index e59cb41a98e656a779af1dc38561daa7e5b6b54f..39b7a13be0ab238cb193f381ea9e1b92c122f4b1 100644
--- a/chrome/browser/plugins/plugin_infobar_delegates.cc
+++ b/chrome/browser/plugins/plugin_infobar_delegates.cc
@@ -17,6 +17,7 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/shell_integration.h"
 #include "chrome/browser/ui/browser_commands.h"
+#include "chrome/common/features.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
@@ -32,7 +33,7 @@
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/vector_icons_public.h"
 
-#if defined(ENABLE_PLUGIN_INSTALLATION)
+#if BUILDFLAG(ENABLE_PLUGIN_INSTALLATION)
 #include "chrome/browser/plugins/plugin_installer.h"
 #endif
 
@@ -43,7 +44,7 @@
 
 using base::UserMetricsAction;
 
-#if defined(ENABLE_PLUGIN_INSTALLATION)
+#if BUILDFLAG(ENABLE_PLUGIN_INSTALLATION)
 
 // OutdatedPluginInfoBarDelegate ----------------------------------------------
 
@@ -211,4 +212,4 @@ void OutdatedPluginInfoBarDelegate::Replace(
                            installer, std::move(plugin_metadata), message))));
 }
 
-#endif  // defined(ENABLE_PLUGIN_INSTALLATION)
+#endif  // BUILDFLAG(ENABLE_PLUGIN_INSTALLATION)