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

chrome/browser/chromeos/drive/drive_resource_metadata_unittest.cc

Index: chrome/browser/chromeos/drive/drive_resource_metadata_unittest.cc
diff --git a/chrome/browser/chromeos/drive/drive_resource_metadata_unittest.cc b/chrome/browser/chromeos/drive/drive_resource_metadata_unittest.cc
index 6f67486c258f9c88db01738b3fbc492048187579..5641a047b70d7e02f74416c9e1a5acbe1e8152e2 100644
--- a/chrome/browser/chromeos/drive/drive_resource_metadata_unittest.cc
+++ b/chrome/browser/chromeos/drive/drive_resource_metadata_unittest.cc
@@ -856,18 +856,6 @@ TEST_F(DriveResourceMetadataTest, AddEntry) {
   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");
@@ -878,7 +866,7 @@ TEST_F(DriveResourceMetadataTest, AddEntry) {
                  &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.