Add generic functions for getting typed variation parameter values

components/ntp_snippets/features.h

Index: components/ntp_snippets/features.h
diff --git a/components/ntp_snippets/features.h b/components/ntp_snippets/features.h
index 25a3a295aa30639ca9a92d0a4b498af89a7fee7b..3e90b3fead83b0177fac0e46029233b49ea59b9a 100644
--- a/components/ntp_snippets/features.h
+++ b/components/ntp_snippets/features.h
@@ -38,17 +38,6 @@ extern const base::Feature kIncreasedVisibility;
 // Feature to enable the Fetch More action
 extern const base::Feature kFetchMoreFeature;
 
-// Returns a feature param as an int instead of a string.
-int GetParamAsInt(const base::Feature& feature,
-                  const std::string& param_name,
-                  int default_value);
-
-// Returns a feature param as a bool instead of a string.
-// TODO(jkrcal): Use this function in other code in the ntp_snippets component.
-bool GetParamAsBool(const base::Feature& feature,
-                    const std::string& param_name,
-                    bool default_value);
-
 }  // namespace ntp_snippets
 
 #endif  // COMPONENTS_NTP_SNIPPETS_FEATURES_H_