Add HasChangeListKind and HasFileListKind methods.

chrome/browser/google_apis/drive_api_parser_unittest.cc

Index: chrome/browser/google_apis/drive_api_parser_unittest.cc
diff --git a/chrome/browser/google_apis/drive_api_parser_unittest.cc b/chrome/browser/google_apis/drive_api_parser_unittest.cc
index 4597c80fe21878534e67ede0237ba54d44680810..5860dee300cb00e6c92b5d0cfe18cca6250e59f8 100644
--- a/chrome/browser/google_apis/drive_api_parser_unittest.cc
+++ b/chrome/browser/google_apis/drive_api_parser_unittest.cc
@@ -409,6 +409,19 @@ TEST(DriveAPIParserTest, ChangeListParser) {
   EXPECT_EQ(change4.file_id(), entry4->resource_id());
   EXPECT_EQ(change4.is_deleted(), entry4->deleted());
 }
+
+TEST(DriveAPIParserTest, HasKind) {
+  scoped_ptr<base::Value> change_list_json(
+      test_util::LoadJSONFile("chromeos/drive/changelist.json"));
+  scoped_ptr<base::Value> file_list_json(
+      test_util::LoadJSONFile("chromeos/drive/filelist.json"));
+
+  EXPECT_TRUE(ChangeList::HasChangeListKind(*change_list_json));
+  EXPECT_FALSE(ChangeList::HasChangeListKind(*file_list_json));
+
+  EXPECT_FALSE(FileList::HasFileListKind(*change_list_json));
+  EXPECT_TRUE(FileList::HasFileListKind(*file_list_json));
+}
 #endif  // OS_CHROMEOS
 
 }  // namespace google_apis