Add minimum version to extension management

chrome/browser/extensions/standard_management_policy_provider.h

Index: chrome/browser/extensions/standard_management_policy_provider.h
diff --git a/chrome/browser/extensions/standard_management_policy_provider.h b/chrome/browser/extensions/standard_management_policy_provider.h
index 74360dbef3abc2bd2ffc5778379be1cd04177250..0d38e239e0c5149a11de5338b74625faa940ece5 100644
--- a/chrome/browser/extensions/standard_management_policy_provider.h
+++ b/chrome/browser/extensions/standard_management_policy_provider.h
@@ -5,6 +5,8 @@
 #ifndef CHROME_BROWSER_EXTENSIONS_STANDARD_MANAGEMENT_POLICY_PROVIDER_H_
 #define CHROME_BROWSER_EXTENSIONS_STANDARD_MANAGEMENT_POLICY_PROVIDER_H_
 
+#include <string>
+
 #include "extensions/browser/management_policy.h"
 
 namespace extensions {
@@ -30,6 +32,9 @@ class StandardManagementPolicyProvider : public ManagementPolicy::Provider {
                              base::string16* error) const override;
   bool MustRemainEnabled(const Extension* extension,
                          base::string16* error) const override;
+  bool MustRemainDisabled(const Extension* extension,
+                          Extension::DisableReason* reason,
+                          base::string16* error) const override;
   bool MustRemainInstalled(const Extension* extension,
                            base::string16* error) const override;