Remove kEnableResourceContentSettings and all the code that uses it since it's been behind a flag f…

chrome/browser/plugins/plugin_infobar_delegates.cc

Index: chrome/browser/plugins/plugin_infobar_delegates.cc
===================================================================
--- chrome/browser/plugins/plugin_infobar_delegates.cc	(revision 239860)
+++ chrome/browser/plugins/plugin_infobar_delegates.cc	(working copy)
@@ -151,7 +151,7 @@
   content::RecordAction(UserMetricsAction("BlockedPluginInfobar.AlwaysAllow"));
   const GURL& url = web_contents()->GetURL();
   content_settings_->AddExceptionForURL(url, url, CONTENT_SETTINGS_TYPE_PLUGINS,
-                                        std::string(), CONTENT_SETTING_ALLOW);
+                                        CONTENT_SETTING_ALLOW);
   LoadBlockedPlugins();
   return true;
 }