Move language detection to 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 d1d6127d040397db69587fb4d9d6875da06a4228..512c07a918881d19e46adea0cb26f1843e159531 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -1448,9 +1448,6 @@ const char kTrackActiveVisitTime[]          = "track-active-visit-time";
 // Overrides the default server used for Google Translate.
 const char kTranslateScriptURL[]            = "translate-script-url";
 
-// Overrides security-origin with which Translate runs in an isolated world.
-const char kTranslateSecurityOrigin[]       = "translate-security-origin";
-
 // Disables same-origin check on HTTP resources pushed via a SPDY proxy.
 // The value is the host:port of the trusted proxy.
 const char kTrustedSpdyProxy[]              = "trusted-spdy-proxy";