Disable key verification by default.

components/policy/core/common/cloud/cloud_policy_constants.cc

Index: components/policy/core/common/cloud/cloud_policy_constants.cc
diff --git a/components/policy/core/common/cloud/cloud_policy_constants.cc b/components/policy/core/common/cloud/cloud_policy_constants.cc
index 56b94117925b547d1124db3b72f80de3f79c5af5..4d2920ecf92a89e4555988b2d0bc93e11c480f15 100644
--- a/components/policy/core/common/cloud/cloud_policy_constants.cc
+++ b/components/policy/core/common/cloud/cloud_policy_constants.cc
@@ -88,10 +88,10 @@ std::string GetPolicyVerificationKey() {
   // the policy blob securely.
   return std::string();
 #else
-  // Allow disabling key verification until we update the test servers with
-  // verification signatures for all QA domains (http://crbug.com/328038).
+  // Disable key verification by default until production servers generate
+  // the proper signatures.
   CommandLine* command_line = CommandLine::ForCurrentProcess();
-  if (command_line->HasSwitch(switches::kSkipPolicyKeyVerification)) {
+  if (!command_line->HasSwitch(switches::kEnablePolicyKeyVerification)) {
     return std::string();
   } else {
     return std::string(reinterpret_cast<const char*>(kPolicyVerificationKey),