gdata: Fix a crash when adding a new file to a new but deleted directory.

chrome/browser/chromeos/gdata/gdata_file_system_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <errno.h>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 1416 matching lines @@
       Eq(FilePath(FILE_PATH_LITERAL("drive/New Directory"))))).Times(1);
 
   LoadChangeFeed("delta_file_added_in_new_directory.json", ++latest_changelog);
 
   EXPECT_TRUE(FindEntry(FilePath(
       FILE_PATH_LITERAL("drive/New Directory"))));
   EXPECT_TRUE(FindEntry(FilePath(
       FILE_PATH_LITERAL("drive/New Directory/File in new dir.gdoc"))));
 }
 
+TEST_F(GDataFileSystemTest, ChangeFeed_AddFileToNewButDeletedDirectory) {
+  int latest_changelog = 0;
+  LoadRootFeedDocument("root_feed.json");
+
+  // This feed contains thw following updates:
+  // 1) A new PDF file is added to a new directory
+  // 2) but the new directory is marked "deleted" (i.e. moved to Trash)
+  // Hence, the PDF file should be just ignored.
+  LoadChangeFeed("delta_file_added_in_new_but_deleted_directory.json",
+                 ++latest_changelog);
+}
+
 TEST_F(GDataFileSystemTest, ChangeFeed_DirectoryMovedFromRootToDirectory) {
   int latest_changelog = 0;
   LoadRootFeedDocument("root_feed.json");
 
   EXPECT_TRUE(FindEntry(FilePath(FILE_PATH_LITERAL(
       "drive/Directory 2"))));
   EXPECT_TRUE(FindEntry(FilePath(FILE_PATH_LITERAL(
       "drive/Directory 1"))));
   EXPECT_TRUE(FindEntry(FilePath(FILE_PATH_LITERAL(
       "drive/Directory 1/SubDirectory File 1.txt"))));
@@ skipping 2223 matching lines @@
       .Times(1);
   // We'll notify the directory change to the observer.
   EXPECT_CALL(*mock_directory_observer_,
               OnDirectoryChanged(Eq(FilePath(kGDataRootDirectory)))).Times(1);
 
   file_system_->RequestDirectoryRefresh(FilePath(kGDataRootDirectory));
   message_loop_.RunAllPending();
 }
 
 }   // namespace gdata