Index: chrome/common/extensions/extension.h |
diff --git a/chrome/common/extensions/extension.h b/chrome/common/extensions/extension.h |
index 07df1a208b6e21dda2b94a9dcfa78bd1e5cebe85..e4932061f63b8db7137d3d0c2a285ad853275777 100644 |
--- a/chrome/common/extensions/extension.h |
+++ b/chrome/common/extensions/extension.h |
@@ -51,6 +51,9 @@ class APIPermissionSet; |
class PermissionSet; |
// Represents a Chrome extension. |
+// Once created, an Extension object is immutable, with the exception of its |
+// RuntimeData. This makes it safe to use on any thread, since access to the |
+// RuntimeData is protected by a lock. |
class Extension : public base::RefCountedThreadSafe<Extension> { |
public: |
struct ManifestData; |