Make device-level proxy policy mandatory in KIOSK mode.

chrome/browser/policy/device_policy_cache.h

Index: chrome/browser/policy/device_policy_cache.h
diff --git a/chrome/browser/policy/device_policy_cache.h b/chrome/browser/policy/device_policy_cache.h
index 536c3821fb22b0380288c99c81ecaceb57b32b74..1c3816764040738dc86ccfa324b1be062b93f5ee 100644
--- a/chrome/browser/policy/device_policy_cache.h
+++ b/chrome/browser/policy/device_policy_cache.h
@@ -79,6 +79,10 @@ class DevicePolicyCache : public CloudPolicyCacheBase {
   // that is the case.
   void CheckFetchingDone();
 
+  void DecodeDevicePolicy(
+      const enterprise_management::ChromeDeviceSettingsProto& policy,
+      PolicyMap* policies);
+
   // Decode the various groups of policies.
   static void DecodeLoginPolicies(
       const enterprise_management::ChromeDeviceSettingsProto& policy,
@@ -88,7 +92,8 @@ class DevicePolicyCache : public CloudPolicyCacheBase {
       PolicyMap* policies);
   static void DecodeNetworkPolicies(
       const enterprise_management::ChromeDeviceSettingsProto& policy,
-      PolicyMap* policies);
+      PolicyMap* policies,
+      EnterpriseInstallAttributes* install_attributes);
   static void DecodeReportingPolicies(
       const enterprise_management::ChromeDeviceSettingsProto& policy,
       PolicyMap* policies);
@@ -96,10 +101,6 @@ class DevicePolicyCache : public CloudPolicyCacheBase {
       const enterprise_management::ChromeDeviceSettingsProto& policy,
       PolicyMap* policies);
 
-  static void DecodeDevicePolicy(
-      const enterprise_management::ChromeDeviceSettingsProto& policy,
-      PolicyMap* policies);
-
   CloudPolicyDataStore* data_store_;
   EnterpriseInstallAttributes* install_attributes_;