Implement a bag of chips for sync.

sync/syncable/syncable_unittest.cc

Index: sync/syncable/syncable_unittest.cc
diff --git a/sync/syncable/syncable_unittest.cc b/sync/syncable/syncable_unittest.cc
index b74d41cf08a0a7baf90d3b8abded5e2b361897b6..f69347b75e7453b18879ac477e2130be19da82c5 100644
--- a/sync/syncable/syncable_unittest.cc
+++ b/sync/syncable/syncable_unittest.cc
@@ -1583,15 +1583,24 @@ TEST_F(OnDiskSyncableDirectoryTest, TestShareInfo) {
   dir_->set_initial_sync_ended_for_type(AUTOFILL, true);
   dir_->set_store_birthday("Jan 31st");
   dir_->SetNotificationState("notification_state");
+  const char* const bag_of_chips_array = "\0bag of chips";
+  const std::string bag_of_chips_string =
+      std::string(bag_of_chips_array, sizeof(bag_of_chips_array));
+  dir_->set_bag_of_chips(bag_of_chips_string);
   {
     ReadTransaction trans(FROM_HERE, dir_.get());
     EXPECT_TRUE(dir_->initial_sync_ended_for_type(AUTOFILL));
     EXPECT_FALSE(dir_->initial_sync_ended_for_type(BOOKMARKS));
     EXPECT_EQ("Jan 31st", dir_->store_birthday());
     EXPECT_EQ("notification_state", dir_->GetNotificationState());
+    EXPECT_EQ(bag_of_chips_string, dir_->bag_of_chips());
   }
   dir_->set_store_birthday("April 10th");
   dir_->SetNotificationState("notification_state2");
+  const char* const bag_of_chips2_array = "\0bag of chips2";
+  const std::string bag_of_chips2_string =
+      std::string(bag_of_chips2_array, sizeof(bag_of_chips2_array));
+  dir_->set_bag_of_chips(bag_of_chips2_string);
   dir_->SaveChanges();
   {
     ReadTransaction trans(FROM_HERE, dir_.get());
@@ -1599,6 +1608,7 @@ TEST_F(OnDiskSyncableDirectoryTest, TestShareInfo) {
     EXPECT_FALSE(dir_->initial_sync_ended_for_type(BOOKMARKS));
     EXPECT_EQ("April 10th", dir_->store_birthday());
     EXPECT_EQ("notification_state2", dir_->GetNotificationState());
+    EXPECT_EQ(bag_of_chips2_string, dir_->bag_of_chips());
   }
   dir_->SetNotificationState("notification_state2");
   // Restore the directory from disk.  Make sure that nothing's changed.
@@ -1609,6 +1619,7 @@ TEST_F(OnDiskSyncableDirectoryTest, TestShareInfo) {
     EXPECT_FALSE(dir_->initial_sync_ended_for_type(BOOKMARKS));
     EXPECT_EQ("April 10th", dir_->store_birthday());
     EXPECT_EQ("notification_state2", dir_->GetNotificationState());
+    EXPECT_EQ(bag_of_chips2_string, dir_->bag_of_chips());
   }
 }