Revert 127317 - Implemented API for tracking ongoing file transfers from file manager.

chrome/browser/chromeos/gdata/gdata_file_system.cc

Index: chrome/browser/chromeos/gdata/gdata_file_system.cc
===================================================================
--- chrome/browser/chromeos/gdata/gdata_file_system.cc	(revision 127330)
+++ chrome/browser/chromeos/gdata/gdata_file_system.cc	(working copy)
@@ -19,6 +19,7 @@
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chromeos/gdata/gdata.h"
 #include "chrome/browser/chromeos/gdata/gdata_download_observer.h"
+#include "chrome/browser/chromeos/gdata/gdata_parser.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
@@ -1264,22 +1265,6 @@
                feed->quota_bytes_used());
 }
 
-std::vector<GDataOperationRegistry::ProgressStatus>
-    GDataFileSystem::GetProgressStatusList() {
-  return documents_service_->operation_registry()->GetProgressStatusList();
-}
-
-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,