Rename OperationObserver to OperationDelegate

chrome/browser/chromeos/drive/file_system.cc

Index: chrome/browser/chromeos/drive/file_system.cc
diff --git a/chrome/browser/chromeos/drive/file_system.cc b/chrome/browser/chromeos/drive/file_system.cc
index 1669177e75290a1de577c5886d4ddd36452f8ab2..bf20d50e92ceeafb65ee7348db42ecd51a7a1c8a 100644
--- a/chrome/browser/chromeos/drive/file_system.cc
+++ b/chrome/browser/chromeos/drive/file_system.cc
@@ -293,7 +293,7 @@ void FileSystem::Reset(const FileOperationCallback& callback) {
 }
 
 void FileSystem::ResetComponents() {
-  file_system::OperationObserver* observer = this;
+  file_system::OperationDelegate* delegate = this;
 
   about_resource_loader_.reset(new internal::AboutResourceLoader(scheduler_));
   loader_controller_.reset(new internal::LoaderController);
@@ -315,7 +315,7 @@ void FileSystem::ResetComponents() {
   directory_loader_->AddObserver(this);
 
   sync_client_.reset(new internal::SyncClient(blocking_task_runner_.get(),
-                                              observer,
+                                              delegate,
                                               scheduler_,
                                               resource_metadata_,
                                               cache_,
@@ -325,45 +325,45 @@ void FileSystem::ResetComponents() {
   copy_operation_.reset(
       new file_system::CopyOperation(
           blocking_task_runner_.get(),
-          observer,
+          delegate,
           scheduler_,
           resource_metadata_,
           cache_,
           drive_service_->GetResourceIdCanonicalizer()));
   create_directory_operation_.reset(new file_system::CreateDirectoryOperation(
-      blocking_task_runner_.get(), observer, resource_metadata_));
+      blocking_task_runner_.get(), delegate, resource_metadata_));
   create_file_operation_.reset(
       new file_system::CreateFileOperation(blocking_task_runner_.get(),
-                                           observer,
+                                           delegate,
                                            resource_metadata_));
   move_operation_.reset(
       new file_system::MoveOperation(blocking_task_runner_.get(),
-                                     observer,
+                                     delegate,
                                      resource_metadata_));
   open_file_operation_.reset(
       new file_system::OpenFileOperation(blocking_task_runner_.get(),
-                                         observer,
+                                         delegate,
                                          scheduler_,
                                          resource_metadata_,
                                          cache_,
                                          temporary_file_directory_));
   remove_operation_.reset(
       new file_system::RemoveOperation(blocking_task_runner_.get(),
-                                       observer,
+                                       delegate,
                                        resource_metadata_,
                                        cache_));
   touch_operation_.reset(new file_system::TouchOperation(
-      blocking_task_runner_.get(), observer, resource_metadata_));
+      blocking_task_runner_.get(), delegate, resource_metadata_));
   truncate_operation_.reset(
       new file_system::TruncateOperation(blocking_task_runner_.get(),
-                                         observer,
+                                         delegate,
                                          scheduler_,
                                          resource_metadata_,
                                          cache_,
                                          temporary_file_directory_));
   download_operation_.reset(
       new file_system::DownloadOperation(blocking_task_runner_.get(),
-                                         observer,
+                                         delegate,
                                          scheduler_,
                                          resource_metadata_,
                                          cache_,
@@ -374,7 +374,7 @@ void FileSystem::ResetComponents() {
   get_file_for_saving_operation_.reset(
       new file_system::GetFileForSavingOperation(logger_,
                                                  blocking_task_runner_.get(),
-                                                 observer,
+                                                 delegate,
                                                  scheduler_,
                                                  resource_metadata_,
                                                  cache_,