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

chrome/browser/chromeos/drive/drive_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 "chrome/browser/chromeos/drive/drive_file_system.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 718 matching lines @@
   ASSERT_TRUE(entry.get());
   ASSERT_EQ("folder:sub_sub_directory_folder_id", entry->resource_id());
 }
 
 TEST_F(DriveFileSystemTest, ReadDirectoryByPath_Root) {
   // ReadDirectoryByPath() should kick off the resource list loading.
   scoped_ptr<DriveEntryProtoVector> entries(
       ReadDirectoryByPathSync(base::FilePath::FromUTF8Unsafe("drive")));
   // The root directory should be read correctly.
   ASSERT_TRUE(entries.get());
-  EXPECT_EQ(9U, entries->size());
+  EXPECT_EQ(8U, entries->size());
 }
 
 TEST_F(DriveFileSystemTest, ReadDirectoryByPath_NonRootDirectory) {
   // ReadDirectoryByPath() should kick off the resource list loading.
   scoped_ptr<DriveEntryProtoVector> entries(
       ReadDirectoryByPathSync(
           base::FilePath::FromUTF8Unsafe("drive/Directory 1")));
   // The non root directory should also be read correctly.
   // There was a bug (crbug.com/181487), which broke this behavior.
   // Make sure this is fixed.
@@ skipping 256 matching lines @@
   const base::FilePath local_src_file_path =
       temp_dir.path().AppendASCII("local.txt");
   const std::string kContent = "hello";
   file_util::WriteFile(local_src_file_path, kContent.data(), kContent.size());
 
   // Confirm that the remote file does not exist.
   const base::FilePath remote_dest_file_path(
       FILE_PATH_LITERAL("drive/remote.txt"));
   EXPECT_FALSE(EntryExists(remote_dest_file_path));
 
-  scoped_ptr<base::Value> value =
-      google_apis::test_util::LoadJSONFile(
-          "chromeos/gdata/document_to_download.json");
-  scoped_ptr<google_apis::ResourceEntry> resource_entry(
-      google_apis::ResourceEntry::ExtractAndParse(*value));
-
   // Transfer the local file to Drive.
   DriveFileError error = DRIVE_FILE_ERROR_FAILED;
   file_system_->TransferFileFromLocalToRemote(
       local_src_file_path,
       remote_dest_file_path,
       base::Bind(&test_util::CopyErrorCodeFromFileOperationCallback, &error));
   google_apis::test_util::RunBlockingPoolTask();
 
   EXPECT_EQ(DRIVE_FILE_OK, error);
 
@@ skipping 1146 matching lines @@
 
   // An app for foo.exe should now be found, as the registry was loaded.
   drive_webapps_registry_->GetWebAppsForFile(
       base::FilePath(FILE_PATH_LITERAL("foo.exe")),
       "" /* mime_type */,
       &apps);
   EXPECT_EQ(1U, apps.size());
 }
 
 }   // namespace drive