drive: Fills no-parent entiries in "/drive/other".

chrome/browser/chromeos/drive/resource_entry_conversion_unittest.cc

Index: chrome/browser/chromeos/drive/resource_entry_conversion_unittest.cc
diff --git a/chrome/browser/chromeos/drive/resource_entry_conversion_unittest.cc b/chrome/browser/chromeos/drive/resource_entry_conversion_unittest.cc
index 22ad8c3cc0c60191f36e1ff13ceb5ed93a432bd6..62975f1a0896de4f295d98b9e2de72e67a8f5b56 100644
--- a/chrome/browser/chromeos/drive/resource_entry_conversion_unittest.cc
+++ b/chrome/browser/chromeos/drive/resource_entry_conversion_unittest.cc
@@ -32,7 +32,7 @@ TEST(ResourceEntryConversionTest, ConvertResourceEntryToDriveEntryProto_File) {
   EXPECT_EQ("https://file_content_url/",  entry_proto.download_url());
   EXPECT_EQ("https://file1_link_self/file:2_file_resource_id",
             entry_proto.edit_url());
-  EXPECT_EQ("",  entry_proto.parent_resource_id());
+  EXPECT_EQ("<other>",  entry_proto.parent_resource_id());
 
   EXPECT_FALSE(entry_proto.deleted());
   EXPECT_EQ(google_apis::ENTRY_KIND_FILE, entry_proto.kind());
@@ -117,7 +117,7 @@ TEST(ResourceEntryConversionTest,
   EXPECT_EQ("https://3_document_content/",  entry_proto.download_url());
   EXPECT_EQ("https://3_document_self_link/document:5_document_resource_id",
             entry_proto.edit_url());
-  EXPECT_EQ("",  entry_proto.parent_resource_id());
+  EXPECT_EQ("<other>",  entry_proto.parent_resource_id());
 
   EXPECT_FALSE(entry_proto.deleted());
   EXPECT_EQ(google_apis::ENTRY_KIND_DOCUMENT, entry_proto.kind());
@@ -283,7 +283,7 @@ TEST(ResourceEntryConversionTest,
   EXPECT_EQ("https://content_url/",  entry_proto.download_url());
   EXPECT_EQ("https://edit_url/document%3Adeleted_in_root_id",
             entry_proto.edit_url());
-  EXPECT_EQ("",  entry_proto.parent_resource_id());
+  EXPECT_EQ("<other>",  entry_proto.parent_resource_id());
 
   EXPECT_TRUE(entry_proto.deleted());  // The document was deleted.
   EXPECT_EQ(google_apis::ENTRY_KIND_DOCUMENT, entry_proto.kind());