Implement API features for the Extension API feature system

chrome/common/extensions/features/simple_feature.h

Index: chrome/common/extensions/features/simple_feature.h
diff --git a/chrome/common/extensions/features/simple_feature.h b/chrome/common/extensions/features/simple_feature.h
index 5b34c6e68f3269997a79ea6284f98bc374b3f993..cd64279dff3b021e9b0fdb21b764d60a23a59b70 100644
--- a/chrome/common/extensions/features/simple_feature.h
+++ b/chrome/common/extensions/features/simple_feature.h
@@ -31,7 +31,7 @@ class SimpleFeature : public Feature {
   // Parses the JSON representation of a feature into the fields of this object.
   // Unspecified values in the JSON are not modified in the object. This allows
   // us to implement inheritance by parsing one value after another.
-  void Parse(const DictionaryValue* value);
+  virtual bool Parse(const DictionaryValue* value);

[not at google - send to devlin, 2013/03/26 00:34:48]

I think this should return a std::string error rather than everything logging it
then returning a bool.

[cduvall, 2013/03/26 19:24:05]

Done.

 
   // Returns true if the feature contains the same values as another.
   bool Equals(const SimpleFeature& other) const;