C++ Readability Review for caitkp

base/callback_list.h

Index: base/callback_list.h
diff --git a/base/callback_list.h b/base/callback_list.h
index ead92eadee345477046a5d1d95b40956d0e7ebe0..2db23b2da8c5b65145ea09344a82a6eb106bfc1a 100644
--- a/base/callback_list.h
+++ b/base/callback_list.h
@@ -45,6 +45,8 @@
 //   }
 //
 //   base::CallbackList<void(const Foo&)> callback_list_;
+//
+//   DISALLOW_COPY_AND_ASSIGN(MyWidget);
 // };
 //
 //
@@ -67,6 +69,8 @@
 //
 //   scoped_ptr<base::CallbackList<void(const Foo&)>::Subscription>
 //       foo_subscription_;
+//
+//   DISALLOW_COPY_AND_ASSIGN(MyWidgetListener);
 // };
 
 namespace base {
@@ -81,11 +85,12 @@ class CallbackListBase {
     Subscription(CallbackListBase<CallbackType>* list,
                  typename std::list<CallbackType>::iterator iter)
         : list_(list),
-          iter_(iter) {}
+          iter_(iter) {
+    }
 
     ~Subscription() {
       if (list_->active_iterator_count_)
-        (*iter_).Reset();
+        iter_->Reset();
       else
         list_->callbacks_.erase(iter_);
     }
@@ -145,8 +150,7 @@ class CallbackListBase {
     typename std::list<CallbackType>::iterator list_iter_;
   };
 
-  CallbackListBase()
-      : active_iterator_count_(0) {}
+  CallbackListBase() : active_iterator_count_(0) {}
 
   ~CallbackListBase() {
     DCHECK_EQ(0, active_iterator_count_);