Change ScopedPtr(Hash)Map to make qualified calls to ignore_result().

base/containers/scoped_ptr_map.h

Index: base/containers/scoped_ptr_map.h
diff --git a/base/containers/scoped_ptr_map.h b/base/containers/scoped_ptr_map.h
index 622a39d121e8fa2b3f5eb8f91874229d6bf885d3..23aadbbe9deef07822759eba68698d1633833b27 100644
--- a/base/containers/scoped_ptr_map.h
+++ b/base/containers/scoped_ptr_map.h
@@ -69,7 +69,7 @@ class ScopedPtrMap {
   std::pair<const_iterator, bool> insert(const Key& key, ScopedPtr val) {
     auto result = data_.insert(std::make_pair(key, val.get()));
     if (result.second)
-      ignore_result(val.release());
+      ::ignore_result(val.release());
     return result;
   }