Extension BaseFeatureProvider minor cleanups. Don't crash in release mode if we failed to parse a p…

chrome/common/extensions/extension.cc

Index: chrome/common/extensions/extension.cc
diff --git a/chrome/common/extensions/extension.cc b/chrome/common/extensions/extension.cc
index b19e3fb892f3f7640ae840ec70639b938e56091b..5cb08067560f211d0ca11ed3395aaa5f8c61480e 100644
--- a/chrome/common/extensions/extension.cc
+++ b/chrome/common/extensions/extension.cc
@@ -601,7 +601,10 @@ bool Extension::ParsePermissions(const char* key,
       // The feature should exist since we just got an APIPermission
       // for it. The two systems should be updated together whenever a
       // permission is added.
-      CHECK(feature);
+      DCHECK(feature);
+      // http://crbug.com/176381
+      if (!feature)
+        continue;
 
       Feature::Availability availability =
           feature->IsAvailableToManifest(