[IndexedDB] Propogating changes to observers : Renderer

content/browser/indexed_db/indexed_db_dispatcher_host.h

Index: content/browser/indexed_db/indexed_db_dispatcher_host.h
diff --git a/content/browser/indexed_db/indexed_db_dispatcher_host.h b/content/browser/indexed_db/indexed_db_dispatcher_host.h
index 524c68eeb8029c3fb94755b1598a6ed85219f9dc..0dc23f8bd566408390a643c6dfe5b3a5267d3c8d 100644
--- a/content/browser/indexed_db/indexed_db_dispatcher_host.h
+++ b/content/browser/indexed_db/indexed_db_dispatcher_host.h
@@ -38,6 +38,8 @@ struct IndexedDBHostMsg_DatabaseSetIndexKeys_Params;
 struct IndexedDBHostMsg_FactoryDeleteDatabase_Params;
 struct IndexedDBHostMsg_FactoryGetDatabaseNames_Params;
 struct IndexedDBHostMsg_FactoryOpen_Params;
+struct IndexedDBMsg_Observation;
+struct IndexedDBMsg_ObserverChanges;
 
 namespace url {
 class Origin;
@@ -51,6 +53,8 @@ class IndexedDBCursor;
 class IndexedDBKey;
 class IndexedDBKeyPath;
 class IndexedDBKeyRange;
+class IndexedDBObservation;
+class IndexedDBObserverChanges;
 struct IndexedDBDatabaseMetadata;
 
 // Handles all IndexedDB related messages from a particular renderer process.
@@ -68,6 +72,10 @@ class IndexedDBDispatcherHost : public BrowserMessageFilter {
 
   static ::IndexedDBDatabaseMetadata ConvertMetadata(
       const content::IndexedDBDatabaseMetadata& metadata);
+  static IndexedDBMsg_ObserverChanges ConvertObserverChanges(
+      std::unique_ptr<IndexedDBObserverChanges> changes);
+  static IndexedDBMsg_Observation ConvertObservation(
+      const IndexedDBObservation* observation);
 
   // BrowserMessageFilter implementation.
   void OnChannelConnected(int32_t peer_pid) override;