Lazily load API schemas from resource files and convert all APIs to features

chrome/common/extensions/features/base_feature_provider.h

Index: chrome/common/extensions/features/base_feature_provider.h
diff --git a/chrome/common/extensions/features/base_feature_provider.h b/chrome/common/extensions/features/base_feature_provider.h
index 0d467c03169d7cd2ecebccd7e75d7a1b7b1f5d82..6a80e10e202249f9d9e650dec403d8ae9e78aed4 100644
--- a/chrome/common/extensions/features/base_feature_provider.h
+++ b/chrome/common/extensions/features/base_feature_provider.h
@@ -6,8 +6,8 @@
 #define CHROME_COMMON_EXTENSIONS_FEATURES_BASE_FEATURE_PROVIDER_H_
 
 #include <map>
-#include <set>
 #include <string>
+#include <vector>
 
 #include "base/memory/linked_ptr.h"
 #include "base/values.h"
@@ -35,13 +35,16 @@ class BaseFeatureProvider : public FeatureProvider {
 
   // Gets the feature |feature_name|, if it exists.
   virtual Feature* GetFeature(const std::string& feature_name) OVERRIDE;
+  virtual Feature* GetParent(Feature* feature) OVERRIDE;
 
-  virtual std::set<std::string> GetAllFeatureNames() OVERRIDE;
+  virtual const std::vector<std::string>& GetAllFeatureNames() OVERRIDE;
 
  private:
   typedef std::map<std::string, linked_ptr<Feature> > FeatureMap;
   FeatureMap features_;
 
+  std::vector<std::string> feature_names_;
+
   FeatureFactory factory_;
 };