Revert 138055 - gdata: Add requestDirectoryRefresh to file_browser_private.

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 138055)
+++ chrome/browser/chromeos/gdata/gdata_file_system.cc	(working copy)
@@ -2551,110 +2551,6 @@
     callback.Run(base::PLATFORM_FILE_OK, directory_proto.Pass());
 }
 
-void GDataFileSystem::RequestDirectoryRefresh(
-    const FilePath& file_path) {
-  if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
-    DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-    const bool posted = BrowserThread::PostTask(
-        BrowserThread::UI,
-        FROM_HERE,
-        base::Bind(&GDataFileSystem::RequestDirectoryRefreshOnUIThread,
-                   ui_weak_ptr_,
-                   file_path));
-    DCHECK(posted);
-    return;
-  }
-
-  RequestDirectoryRefreshOnUIThread(file_path);
-}
-
-void GDataFileSystem::RequestDirectoryRefreshOnUIThread(
-    const FilePath& file_path) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-
-  GDataEntry* entry = GetGDataEntryByPath(file_path);
-  if (!entry || !entry->AsGDataDirectory()) {
-    LOG(ERROR) << "Directory entry not found: " << file_path.value();
-    return;
-  }
-
-  if (entry->resource_id().empty()) {
-    // This can happen if the directory is a virtual directory for search.
-    LOG(ERROR) << "Resource ID not found: " << file_path.value();
-    return;
-  }
-
-  base::AutoLock lock(lock_);  // To access root_.
-  LoadFeedFromServer(root_->origin(),
-                     0,  // Not delta feed.
-                     0,  // Not used.
-                     true, // multiple feeds
-                     file_path,
-                     std::string(),  // No search query
-                     entry->resource_id(),
-                     FindEntryCallback(),  // Not used.
-                     base::Bind(&GDataFileSystem::OnRequestDirectoryRefresh,
-                                ui_weak_ptr_));
-}
-
-void GDataFileSystem::OnRequestDirectoryRefresh(
-    GetDocumentsParams* params,
-    base::PlatformFileError error) {
-  DCHECK(params);
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-
-  const FilePath& directory_path = params->search_file_path;
-  if (error != base::PLATFORM_FILE_OK) {
-    LOG(ERROR) << "Failed to refresh directory: " << directory_path.value()
-               << ": " << error;
-    return;
-  }
-
-  int unused_delta_feed_changestamp = 0;
-  int unused_num_regular_files = 0;
-  int unused_num_hosted_documents = 0;
-  FileResourceIdMap file_map;
-  error = FeedToFileResourceMap(*params->feed_list,
-                                &file_map,
-                                &unused_delta_feed_changestamp,
-                                &unused_num_regular_files,
-                                &unused_num_hosted_documents);
-  if (error != base::PLATFORM_FILE_OK) {
-    LOG(ERROR) << "Failed to convert feed: " << directory_path.value()
-               << ": " << error;
-    return;
-  }
-
-  base::AutoLock lock(lock_);  // To access root_.
-
-  GDataEntry* directory_entry = root_->GetEntryByResourceId(
-      params->directory_resource_id);
-  if (!directory_entry || !directory_entry->AsGDataDirectory()) {
-    LOG(ERROR) << "Directory entry is gone: " << directory_path.value()
-               << ": " << params->directory_resource_id;
-    return;
-  }
-  GDataDirectory* directory = directory_entry->AsGDataDirectory();
-
-  // Remove the existing files.
-  directory->RemoveChildFiles();
-  // Go through all entires generated by the feed and add files.
-  for (FileResourceIdMap::const_iterator it = file_map.begin();
-       it != file_map.end(); ++it) {
-    scoped_ptr<GDataEntry> entry(it->second);
-    // Skip if it's not a file (i.e. directory).
-    if (!entry->AsGDataFile())
-      continue;
-    directory->AddEntry(entry.release());
-  }
-
-  // Note that there may be no change in the directory, but it's expensive to
-  // check if the new metadata matches the existing one, so we just always
-  // notify that the directory is changed.
-  NotifyDirectoryChanged(directory_path);
-  DVLOG(1) << "Directory refreshed: " << directory_path.value();
-}
-
 bool GDataFileSystem::GetFileInfoByPath(
     const FilePath& file_path, GDataFileProperties* properties) {
   DCHECK(properties);