Switch on plugins by default for the Mac

chrome/browser/tab_contents/render_view_host_delegate_helper.cc

Index: chrome/browser/tab_contents/render_view_host_delegate_helper.cc
diff --git a/chrome/browser/tab_contents/render_view_host_delegate_helper.cc b/chrome/browser/tab_contents/render_view_host_delegate_helper.cc
index 37923a646def67a2a264467b3e2e337727719af4..0610f2531e1bd4bd4d26eaf0618b1238cdaf2981 100644
--- a/chrome/browser/tab_contents/render_view_host_delegate_helper.cc
+++ b/chrome/browser/tab_contents/render_view_host_delegate_helper.cc
@@ -155,7 +155,7 @@ WebPreferences RenderViewHostDelegateHelper::GetWebkitPrefs(
     web_prefs.web_security_enabled =
         !command_line.HasSwitch(switches::kDisableWebSecurity) &&
         prefs->GetBoolean(prefs::kWebKitWebSecurityEnabled);
-#if defined(OS_WIN)
+#if defined(OS_WIN) or defined(OS_MACOSX)
     web_prefs.plugins_enabled =
         !command_line.HasSwitch(switches::kDisablePlugins) &&
         prefs->GetBoolean(prefs::kWebKitPluginsEnabled);