Index: chrome/common/extensions/extension.h |
diff --git a/chrome/common/extensions/extension.h b/chrome/common/extensions/extension.h |
index 9004094dfd5535d7f0a0b649d45581a6f4362a8d..e9b88ebcb1032e76683a69d16466444ab2353e72 100644 |
--- a/chrome/common/extensions/extension.h |
+++ b/chrome/common/extensions/extension.h |
@@ -56,6 +56,9 @@ struct ActionInfo; |
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; |