diff --git a/atom/app/atom_content_client.cc b/atom/app/atom_content_client.cc
index ff5dce323d..17effdfa07 100644
--- a/atom/app/atom_content_client.cc
+++ b/atom/app/atom_content_client.cc
@@ -268,4 +268,8 @@ void AtomContentClient::AddContentDecryptionModules(
   }
 }
 
+bool AtomContentClient::IsDataResourceGzipped(int resource_id) const {
+  return ui::ResourceBundle::GetSharedInstance().IsGzipped(resource_id);
+}
+
 }  // namespace atom
diff --git a/atom/app/atom_content_client.h b/atom/app/atom_content_client.h
index f7095f6ab0..9c7034df43 100644
--- a/atom/app/atom_content_client.h
+++ b/atom/app/atom_content_client.h
@@ -31,6 +31,7 @@ class AtomContentClient : public content::ContentClient {
   void AddContentDecryptionModules(
       std::vector<content::CdmInfo>* cdms,
       std::vector<media::CdmHostFilePath>* cdm_host_file_paths) override;
+  bool IsDataResourceGzipped(int resource_id) const override;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AtomContentClient);