Turn on policy key verification by default

components/policy/core/common/policy_switches.cc

Index: components/policy/core/common/policy_switches.cc
diff --git a/components/policy/core/common/policy_switches.cc b/components/policy/core/common/policy_switches.cc
index b7d2810f694388bd09ff92ddc969f873df4fc27f..5a7878f53f7016a3bddec46a31b318f2efd28abd 100644
--- a/components/policy/core/common/policy_switches.cc
+++ b/components/policy/core/common/policy_switches.cc
@@ -24,8 +24,10 @@ const char kDisableCloudPolicyPush[]        = "disable-cloud-policy-push";
 // Enables fetching and storing cloud policy for components.
 const char kEnableComponentCloudPolicy[]    = "enable-component-cloud-policy";
 
-// Enables the verification of policy signing keys.
-const char kEnablePolicyKeyVerification[] = "enable-policy-key-verification";
+// Disables the verification of policy signing keys.
+// TODO(atwilson): Remove this once all test servers have been updated to
+// produce verification signatures.
+const char kDisablePolicyKeyVerification[] = "disable-policy-key-verification";
 
 #if defined(OS_ANDROID) || defined(OS_IOS)
 // Registers for cloud policy using the BROWSER client type instead of the