drive: Add showroot=true to WAPI feed URLs and ignore "no parent" entries.

chrome/browser/chromeos/drive/drive_resource_metadata_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 "chrome/browser/chromeos/drive/drive_resource_metadata.h"
 
 #include <algorithm>
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 912 matching lines @@
   // Add to dir3.
   resource_metadata_->AddEntry(
       file_entry_proto,
       base::Bind(&test_util::CopyResultsFromFileMoveCallback,
                  &error, &drive_file_path));
   google_apis::test_util::RunBlockingPoolTask();
   EXPECT_EQ(DRIVE_FILE_OK, error);
   EXPECT_EQ(base::FilePath::FromUTF8Unsafe("drive/dir1/dir3/file100"),
             drive_file_path);
 
-  // Adds to root when parent resource id is not specified.
-  DriveEntryProto file_entry_proto2 = CreateDriveEntryProto(
-      sequence_id++, false, "");
-
-  resource_metadata_->AddEntry(
-      file_entry_proto2,
-      base::Bind(&test_util::CopyResultsFromFileMoveCallback,
-                 &error, &drive_file_path));
-  google_apis::test_util::RunBlockingPoolTask();
-  EXPECT_EQ(DRIVE_FILE_OK, error);
-  EXPECT_EQ(base::FilePath::FromUTF8Unsafe("drive/file101"), drive_file_path);
-
   // Add a directory.
   DriveEntryProto dir_entry_proto = CreateDriveEntryProto(
       sequence_id++, true, "resource_id:dir1");
 
   resource_metadata_->AddEntry(
       dir_entry_proto,
       base::Bind(&test_util::CopyResultsFromFileMoveCallback,
                  &error, &drive_file_path));
   google_apis::test_util::RunBlockingPoolTask();
   EXPECT_EQ(DRIVE_FILE_OK, error);
-  EXPECT_EQ(base::FilePath::FromUTF8Unsafe("drive/dir1/dir102"),
+  EXPECT_EQ(base::FilePath::FromUTF8Unsafe("drive/dir1/dir101"),
             drive_file_path);
 
   // Add to an invalid parent.
   DriveEntryProto file_entry_proto3 = CreateDriveEntryProto(
       sequence_id++, false, "resource_id:invalid");
 
   resource_metadata_->AddEntry(
       file_entry_proto3,
       base::Bind(&test_util::CopyResultsFromFileMoveCallback,
                  &error, &drive_file_path));
@@ skipping 161 matching lines @@
 
   // Confirm that the sub directory contains the changestamp.
   ASSERT_EQ(1, new_proto.drive_directory().child_directories_size());
   const DriveDirectoryProto& dir_proto = root_proto.child_directories(0);
   EXPECT_EQ(kNewChangestamp,
             dir_proto.drive_entry().directory_specific_info().changestamp());
 
 }
 
 }  // namespace drive