Change base::Value::ListStorage to std::vector<base::Value>

extensions/common/manifest_handlers/requirements_info.cc

Index: extensions/common/manifest_handlers/requirements_info.cc
diff --git a/extensions/common/manifest_handlers/requirements_info.cc b/extensions/common/manifest_handlers/requirements_info.cc
index d73af89c0902de0c689f704675ed6525e5980fdc..0acbf7baddc187506faa674d0c5fd7cd082de9cc 100644
--- a/extensions/common/manifest_handlers/requirements_info.cc
+++ b/extensions/common/manifest_handlers/requirements_info.cc
@@ -117,7 +117,7 @@ bool RequirementsHandler::Parse(Extension* extension, base::string16* error) {
       for (base::ListValue::const_iterator feature_iter = features->begin();
            feature_iter != features->end(); ++feature_iter) {
         std::string feature;
-        if ((*feature_iter)->GetAsString(&feature)) {
+        if (feature_iter->GetAsString(&feature)) {
           if (feature == "webgl") {
             requirements->webgl = true;
           } else if (feature == "css3d") {