Simplify ScopedVector<scoped_ptr<T>> to ScopedVector<T>.

tools/gn/function_get_target_outputs.cc

Index: tools/gn/function_get_target_outputs.cc
diff --git a/tools/gn/function_get_target_outputs.cc b/tools/gn/function_get_target_outputs.cc
index 163b187d82049940c772f5b7db868d91c656ca42..dd2de0c733cbbb196989ede747c820dab89ce93e 100644
--- a/tools/gn/function_get_target_outputs.cc
+++ b/tools/gn/function_get_target_outputs.cc
@@ -92,8 +92,7 @@ Value RunGetTargetOutputs(Scope* scope,
     *err = Err(function, "No targets defined in this context.");
     return Value();
   }
-  for (const auto& cur : *collector) {
-    const Item* item = cur->get();
+  for (const auto& item : *collector) {
     if (item->label() != label)
       continue;