Send IndexedDB observations through IDBDatabaseCallbacks.

third_party/WebKit/public/platform/modules/indexeddb/WebIDBDatabase.h

Index: third_party/WebKit/public/platform/modules/indexeddb/WebIDBDatabase.h
diff --git a/third_party/WebKit/public/platform/modules/indexeddb/WebIDBDatabase.h b/third_party/WebKit/public/platform/modules/indexeddb/WebIDBDatabase.h
index 8c624983060a7668b9341c9e27e65f8983f37cc2..dd91ff664f4f182c5c328d77445bcba862104465 100644
--- a/third_party/WebKit/public/platform/modules/indexeddb/WebIDBDatabase.h
+++ b/third_party/WebKit/public/platform/modules/indexeddb/WebIDBDatabase.h
@@ -30,9 +30,10 @@
 #include "public/platform/WebCommon.h"
 #include "public/platform/modules/indexeddb/WebIDBCursor.h"
 #include "public/platform/modules/indexeddb/WebIDBMetadata.h"
-#include "public/platform/modules/indexeddb/WebIDBObserver.h"
 #include "public/platform/modules/indexeddb/WebIDBTypes.h"
 
+#include <bitset>
+
 namespace blink {
 
 class WebData;
@@ -41,7 +42,6 @@ class WebIDBDatabaseCallbacks;
 class WebIDBKey;
 class WebIDBKeyPath;
 class WebIDBKeyRange;
-class WebIDBObserver;
 
 class WebIDBDatabase {
  public:
@@ -85,8 +85,13 @@ class WebIDBDatabase {
 
   typedef WebVector<WebIDBKey> WebIndexKeys;
 
-  virtual int32_t addObserver(std::unique_ptr<WebIDBObserver>,
-                              long long transactionId) = 0;
+  virtual void addObserver(
+      long long transactionId,
+      int32_t observerId,
+      bool includeTransaction,
+      bool noRecords,
+      bool values,
+      const std::bitset<WebIDBOperationTypeCount>& operationTypes) = 0;
   virtual void removeObservers(
       const WebVector<int32_t>& observerIdsToRemove) = 0;
   virtual void get(long long transactionId,