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

chrome/common/extensions/manifest.cc

Index: chrome/common/extensions/manifest.cc
diff --git a/chrome/common/extensions/manifest.cc b/chrome/common/extensions/manifest.cc
index b57e16df0d328e6b24b1479d8d803edbbda22da2..2c690132dc1e0865c9f9213051e2e4104eef4944 100644
--- a/chrome/common/extensions/manifest.cc
+++ b/chrome/common/extensions/manifest.cc
@@ -142,8 +142,10 @@ bool Manifest::ValidateManifest(
   // checking to let developers know when they screw up.
 
   FeatureProvider* provider = BaseFeatureProvider::GetByName("manifest");
-  std::set<std::string> feature_names = provider->GetAllFeatureNames();
-  for (std::set<std::string>::iterator feature_name = feature_names.begin();
+  const std::vector<std::string>& feature_names =
+      provider->GetAllFeatureNames();
+  for (std::vector<std::string>::const_iterator feature_name =
+           feature_names.begin();
        feature_name != feature_names.end(); ++feature_name) {
     // Use Get instead of HasKey because the former uses path expansion.
     if (!value_->Get(*feature_name, NULL))