Set onc_source UI data parameter when importing ONC.

chrome/browser/policy/configuration_policy_handler_chromeos.h

Index: chrome/browser/policy/configuration_policy_handler_chromeos.h
diff --git a/chrome/browser/policy/configuration_policy_handler_chromeos.h b/chrome/browser/policy/configuration_policy_handler_chromeos.h
index e612f7b4e01529eaa01e8a82d7bfb7cd38fd5d70..74ca276c363662a2c423124bcfe420ad4c3cb699 100644
--- a/chrome/browser/policy/configuration_policy_handler_chromeos.h
+++ b/chrome/browser/policy/configuration_policy_handler_chromeos.h
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_HANDLER_CHROMEOS_H_
 #pragma once
 
+#include "chrome/browser/chromeos/cros/network_ui_data.h"
 #include "chrome/browser/policy/configuration_policy_handler.h"
 
 namespace policy {
@@ -15,7 +16,9 @@ namespace policy {
 // generates error messages.
 class NetworkConfigurationPolicyHandler : public TypeCheckingPolicyHandler {
  public:
-  explicit NetworkConfigurationPolicyHandler(ConfigurationPolicyType type);
+  NetworkConfigurationPolicyHandler(
+      ConfigurationPolicyType type,
+      chromeos::NetworkUIData::ONCSource onc_source);
   virtual ~NetworkConfigurationPolicyHandler();
 
   // ConfigurationPolicyHandler methods:
@@ -36,6 +39,8 @@ class NetworkConfigurationPolicyHandler : public TypeCheckingPolicyHandler {
   // their values with placeholders.
   static void StripSensitiveValues(DictionaryValue* network_dict);
 
+  chromeos::NetworkUIData::ONCSource onc_source_;
+
   DISALLOW_COPY_AND_ASSIGN(NetworkConfigurationPolicyHandler);
 };