Pull SecurityStateModel out into a component

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 c9c9249829c2994a148f1d40f294bcaf7cc9cf2f..93cf38d68961020b9a00824a9a51c2f0e8dc1425 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -688,11 +688,6 @@ const char kLocalNtpReload[]                = "local-ntp-reload";
 // Makes Chrome default browser
 const char kMakeDefaultBrowser[]            = "make-default-browser";
 
-// Use to opt-in to marking HTTP as non-secure.
-const char kMarkNonSecureAs[]               = "mark-non-secure-as";
-const char kMarkNonSecureAsNeutral[]        = "neutral";
-const char kMarkNonSecureAsNonSecure[]      = "non-secure";
-
 // Forces the maximum disk space to be used by the media cache, in bytes.
 const char kMediaCacheSize[]                = "media-cache-size";