[IndexedDB] Propogating changes to observers : Renderer

content/browser/indexed_db/indexed_db_dispatcher_host.cc

Index: content/browser/indexed_db/indexed_db_dispatcher_host.cc
diff --git a/content/browser/indexed_db/indexed_db_dispatcher_host.cc b/content/browser/indexed_db/indexed_db_dispatcher_host.cc
index aac0dd9381135acfa6393bc6c5ccbd0fa173b308..90db0d670205af90ec6851dd84ac6a0f45c898ee 100644
--- a/content/browser/indexed_db/indexed_db_dispatcher_host.cc
+++ b/content/browser/indexed_db/indexed_db_dispatcher_host.cc
@@ -23,10 +23,12 @@
 #include "content/browser/indexed_db/indexed_db_cursor.h"
 #include "content/browser/indexed_db/indexed_db_database_callbacks.h"
 #include "content/browser/indexed_db/indexed_db_metadata.h"
+#include "content/browser/indexed_db/indexed_db_observer_changes.h"
 #include "content/browser/indexed_db/indexed_db_pending_connection.h"
 #include "content/browser/indexed_db/indexed_db_value.h"
 #include "content/browser/renderer_host/render_message_filter.h"
 #include "content/common/indexed_db/indexed_db_messages.h"
+#include "content/common/indexed_db/indexed_db_observation.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/common/content_switches.h"
@@ -317,6 +319,26 @@ IndexedDBCursor* IndexedDBDispatcherHost::GetCursorFromId(
   return metadata;
 }
 
+::IndexedDBObserverChanges IndexedDBDispatcherHost::ConvertObserverChanges(
+    content::IndexedDBObserverChanges* changes) {
+  ::IndexedDBObserverChanges idb_changes;
+  // TODO(palakj): Move the map instead of copying?
+  idb_changes.observation_index = changes->observation_index;
+  for (auto& iter : changes->observations) {
+    ::IndexedDBObservation idb_observation = ConvertObservation(iter.release());
+  }
+  return idb_changes;
+}
+
+::IndexedDBObservation IndexedDBDispatcherHost::ConvertObservation(
+    content::IndexedDBObservation* observation) {
+  // TODO(palakj): Modify function for different observation constructors.
+  ::IndexedDBObservation idb_observation;
+  idb_observation.type = observation->type();
+  idb_observation.key_range = observation->key_range();
+  return idb_observation;
+}
+
 void IndexedDBDispatcherHost::OnIDBFactoryGetDatabaseNames(
     const IndexedDBHostMsg_FactoryGetDatabaseNames_Params& params) {
   DCHECK(indexed_db_context_->TaskRunner()->RunsTasksOnCurrentThread());