Revert 185189.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
===================================================================
--- chrome/common/chrome_switches.cc	(revision 185206)
+++ chrome/common/chrome_switches.cc	(working copy)
@@ -884,11 +884,6 @@
 // command line. Useful values might be "valgrind" or "xterm -e gdb --args".
 const char kNaClLoaderCmdPrefix[]           = "nacl-loader-cmd-prefix";
 
-// List of native messaging hosts outside of the default location. Used for
-// tests. The value must be comma-separate lists of key-value pairs separated
-// equal sign. E.g. "host1=/path/to/host1/manifest.json,host2=/path/host2.json".
-const char kNativeMessagingHosts[] = "native-messaging-hosts";
-
 // Sets the base logging level for the net log. Log 0 logs the most data.
 // Intended primarily for use with --log-net-log.
 const char kNetLogLevel[]                   = "net-log-level";