Added support for signed policy blobs on desktop.

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 780808515535f0b3e262428b1e3e482ca44e7c52..3690ee54feb1417ca3041b614591e086a351a3a9 100644
--- a/components/policy/core/common/policy_switches.cc
+++ b/components/policy/core/common/policy_switches.cc
@@ -24,6 +24,9 @@ const char kDisableCloudPolicyPush[]        = "disable-cloud-policy-push";
 // Enables fetching and storing cloud policy for components.
 const char kEnableComponentCloudPolicy[]    = "enable-component-cloud-policy";
 
+// Disables the verification of policy signing keys.
+const char kSkipPolicyKeyVerification[] = "skip-policy-key-verification";
+
 #if defined(OS_ANDROID) || defined(OS_IOS)
 // Registers for cloud policy using the BROWSER client type instead of the
 // ANDROID_BROWSER or IOS_BROWSER types.