IDBObserver: Lifetime Management: Adding Observer

content/child/indexed_db/indexed_db_dispatcher.cc

Index: content/child/indexed_db/indexed_db_dispatcher.cc
diff --git a/content/child/indexed_db/indexed_db_dispatcher.cc b/content/child/indexed_db/indexed_db_dispatcher.cc
index 242e6066df968baaf59265c24f4037a087255bb1..ac558066c80a89fd8ae35a88310279e8ee14e278 100644
--- a/content/child/indexed_db/indexed_db_dispatcher.cc
+++ b/content/child/indexed_db/indexed_db_dispatcher.cc
@@ -168,20 +168,29 @@ bool IndexedDBDispatcher::Send(IPC::Message* msg) {
   return thread_safe_sender_->Send(msg);
 }
 
-void IndexedDBDispatcher::AddIDBObserver(int32_t ipc_database_id,
-                                         int64_t transaction_id,
-                                         blink::IDBObserver* observer) {
-  int64_t observer_id = maxObserverId++;
-  observers_[observer_id] = observer;
-  // params.ipc_thread_id = CurrentWorkerId();
-  // params.ipc_database_id = ipc_database_id;
-  // params.transaction_id = transaction_id;
-  // params.observer_id = observer_id;
+int32_t IndexedDBDispatcher::AddIDBObserver(int32_t ipc_database_id,
+                                            int64_t transaction_id,
+                                            blink::IDBObserver* observer) {
+  // TODO(palakj): generate id through IDMap here.
+  int32_t observer_id = 0;
   Send(new IndexedDBHostMsg_DatabaseObserve(
     CurrentWorkerId(),
     ipc_database_id,
     transaction_id,
     observer_id));
+  return observer_id;
+}
+
+std::vector<int32_t> IndexedDBDispatcher::RemoveIDBObserver(
+    int32_t ipc_database_id,
+    blink::IDBObserver* observer) {
+  std::vector<int32_t> remove_observers;
+  // TODO(palakj): iterate over map to find observer and collect id's in
+  // remove_observers
+
+  Send(new IndexedDBHostMsg_DatabaseUnobserve(
+      CurrentWorkerId(), ipc_database_id, remove_observers));
+  return remove_observers;
 }
 
 void IndexedDBDispatcher::RequestIDBCursorAdvance(