Moved the --device-management-url switch to the policy component.

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 d6491f1b16a82dac225b7112de2a2966b6596e86..780808515535f0b3e262428b1e3e482ca44e7c52 100644
--- a/components/policy/core/common/policy_switches.cc
+++ b/components/policy/core/common/policy_switches.cc
@@ -13,6 +13,11 @@ namespace switches {
 // policy which affects many users is changed.
 const char kCloudPolicyInvalidationDelay[]  = "cloud-policy-invalidation-delay";
 
+// Specifies the URL at which to fetch configuration policy from the device
+// management backend. Specifying this switch turns on managed policy from the
+// device management backend.
+const char kDeviceManagementUrl[]           = "device-management-url";
+
 // Disables pushing cloud policy to Chrome using an invalidation service.
 const char kDisableCloudPolicyPush[]        = "disable-cloud-policy-push";