Add method skeleton for showing website settings. Add commandline flag.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index ad93cbf66467bc9549e5f232cd740e135d506565..16f101825a921791c24ccd10587e1256f718d106 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -578,6 +578,10 @@ const char kEnableTabGroupsContextMenu[]    = "enable-tab-groups-context-menu";
 // Order of the listed sub-arguments does not matter.
 const char kEnableWatchdog[]                = "enable-watchdog";
 
+// Enable Website Settings. The Website Settings UI will replace the Page Info
+// Bubble.
+const char kEnableWebsiteSettings[]         = "enable-website-settings";
+
 // Uses WebSocket over SPDY.
 const char kEnableWebSocketOverSpdy[]       = "enable-websocket-over-spdy";