drive: Check OperationObserver::OnEntryUpdatedByOperation is called by MoveOperation in tests

Both setting metadata_edit_state to DIRTY and calling OnEntryUpdateByOperation are necessary to trigger syncing.

BUG=260538
TEST=unit_tests --gtest_filter="MoveOperationTest.*"

Review URL: https://codereview.chromium.org/100373004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238366 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/drive/file_system/move_operation_unittest.cc

@@ -59,6 +59,9 @@ TEST_F(MoveOperationTest, MoveFileInSameDirectory) {
 
   EXPECT_EQ(1U, observer()->get_changed_paths().size());
   EXPECT_TRUE(observer()->get_changed_paths().count(src_path.DirName()));
+
+  EXPECT_EQ(1U, observer()->updated_local_ids().size());
+  EXPECT_TRUE(observer()->updated_local_ids().count(src_entry.local_id()));
 }
 
 TEST_F(MoveOperationTest, MoveFileFromRootToSubDirectory) {
@@ -87,6 +90,9 @@ TEST_F(MoveOperationTest, MoveFileFromRootToSubDirectory) {
   EXPECT_EQ(2U, observer()->get_changed_paths().size());
   EXPECT_TRUE(observer()->get_changed_paths().count(src_path.DirName()));
   EXPECT_TRUE(observer()->get_changed_paths().count(dest_path.DirName()));
+
+  EXPECT_EQ(1U, observer()->updated_local_ids().size());
+  EXPECT_TRUE(observer()->updated_local_ids().count(src_entry.local_id()));
 }
 
 TEST_F(MoveOperationTest, MoveFileBetweenSubDirectoriesRenameWithTitle) {
@@ -135,6 +141,9 @@ TEST_F(MoveOperationTest, MoveFileBetweenSubDirectoriesRenameWithTitle) {
   EXPECT_EQ(2U, observer()->get_changed_paths().size());
   EXPECT_TRUE(observer()->get_changed_paths().count(copied_path.DirName()));
   EXPECT_TRUE(observer()->get_changed_paths().count(dest_path.DirName()));
+
+  EXPECT_EQ(1U, observer()->updated_local_ids().size());
+  EXPECT_TRUE(observer()->updated_local_ids().count(copied_entry.local_id()));
 }
 
 TEST_F(MoveOperationTest, MoveNotExistingFile) {