Add a method to the content_settings::ProviderInterface to return the content settings Value.

chrome/browser/content_settings/content_settings_policy_provider.h

Index: chrome/browser/content_settings/content_settings_policy_provider.h
diff --git a/chrome/browser/content_settings/content_settings_policy_provider.h b/chrome/browser/content_settings/content_settings_policy_provider.h
index ab72012cc9c9db013df554cbaeb51e2bbd315664..ba69307e4f6179013c1bab93c44ec7b92c35f9ac 100644
--- a/chrome/browser/content_settings/content_settings_policy_provider.h
+++ b/chrome/browser/content_settings/content_settings_policy_provider.h
@@ -92,6 +92,12 @@ class PolicyProvider : public ObservableProvider,
       ContentSettingsType content_type,
       const ResourceIdentifier& resource_identifier) const;
 
+  virtual Value* GetContentSettingValue(
+      const GURL& primary_url,
+      const GURL& secondary_url,
+      ContentSettingsType content_type,
+      const ResourceIdentifier& resource_identifier) const;
+
   virtual void GetAllContentSettingsRules(
       ContentSettingsType content_type,
       const ResourceIdentifier& resource_identifier,