Make content shell support some testing flags.

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 b6af103ba1c257d395f14793565b963507dac0fa..09d418d067fe82741cc6c50779aa47875a7b1432 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -755,9 +755,6 @@ const char kHostResolverParallelism[]       = "host-resolver-parallelism";
 // to disable host resolver retry attempts.
 const char kHostResolverRetryAttempts[]     = "host-resolver-retry-attempts";
 
-// These mappings only apply to the host resolver.
-const char kHostResolverRules[]             = "host-resolver-rules";
-
 // Takes the JSON-formatted HSTS specification and loads it as if it were a
 // preloaded HSTS entry. Takes precedence over both website-specified rules and
 // built-in rules. The JSON format is the same as that persisted in
@@ -1290,10 +1287,6 @@ const char kTestType[]                      = "test-type";
 // channel with the given ID.
 const char kTestingChannelID[]              = "testing-channel";
 
-// Allows for forcing socket connections to http/https to use fixed ports.
-const char kTestingFixedHttpPort[]          = "testing-fixed-http-port";
-const char kTestingFixedHttpsPort[]         = "testing-fixed-https-port";
-
 // 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";