gdata: Get rid of GetProgressStatusList() and friends

chrome/browser/chromeos/gdata/gdata_file_system.cc

Index: chrome/browser/chromeos/gdata/gdata_file_system.cc
diff --git a/chrome/browser/chromeos/gdata/gdata_file_system.cc b/chrome/browser/chromeos/gdata/gdata_file_system.cc
index 32de23b96d40494d898362f3bde69e6be07acc10..46355ef43490795788e0e9712560977e54be3f3d 100644
--- a/chrome/browser/chromeos/gdata/gdata_file_system.cc
+++ b/chrome/browser/chromeos/gdata/gdata_file_system.cc
@@ -2138,26 +2138,10 @@ void GDataFileSystem::OnGetAvailableSpace(
                feed->quota_bytes_used());
 }
 
-std::vector<GDataOperationRegistry::ProgressStatus>
-    GDataFileSystem::GetProgressStatusList() {
-  return documents_service_->operation_registry()->GetProgressStatusList();
+GDataOperationRegistry* GDataFileSystem::GetOperationRegistry() {
+  return documents_service_->operation_registry();
 }
 
-bool GDataFileSystem::CancelOperation(const FilePath& file_path) {
-  return documents_service_->operation_registry()->CancelForFilePath(file_path);
-}
-
-void GDataFileSystem::AddOperationObserver(
-    GDataOperationRegistry::Observer* observer) {
-  return documents_service_->operation_registry()->AddObserver(observer);
-}
-
-void GDataFileSystem::RemoveOperationObserver(
-    GDataOperationRegistry::Observer* observer) {
-  return documents_service_->operation_registry()->RemoveObserver(observer);
-}
-
-
 void GDataFileSystem::OnCreateDirectoryCompleted(
     const CreateDirectoryParams& params,
     GDataErrorCode status,