WIP: URL blacklisting by policy.

chrome/common/pref_names.cc

Index: chrome/common/pref_names.cc
diff --git a/chrome/common/pref_names.cc b/chrome/common/pref_names.cc
index bf3847a8240be045398cee4369dcdca23846dfcd..d9c23cd9789042cf70c8e5ae71bfc89bbda81880 100644
--- a/chrome/common/pref_names.cc
+++ b/chrome/common/pref_names.cc
@@ -331,6 +331,12 @@ const char kDisableSpdy[] = "spdy.disabled";
 // Disables the listed protocol schemes.
 const char kDisabledSchemes[] = "protocol.disabled_schemes";
 
+// Blocks access to the listed host patterns.
+const char kUrlBlacklist[] = "policy.url_blacklist";
+
+// Allows access to the listed host patterns, as exceptions to the blacklist.
+const char kUrlWhitelist[] = "policy.url_whitelist";
+
 // Boolean pref indicating whether the instant confirm dialog has been shown.
 const char kInstantConfirmDialogShown[] = "instant.confirm_dialog_shown";