Send IndexedDB observations through IDBDatabaseCallbacks.

content/common/indexed_db/indexed_db_enum_traits.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/common/indexed_db/indexed_db_enum_traits.h"
 
 using indexed_db::mojom::CursorDirection;
 using indexed_db::mojom::DataLoss;
+using indexed_db::mojom::OperationType;
 using indexed_db::mojom::PutMode;
 using indexed_db::mojom::TaskType;
 using indexed_db::mojom::TransactionMode;
 
 namespace mojo {
 
 // static
 CursorDirection
 EnumTraits<CursorDirection, blink::WebIDBCursorDirection>::ToMojom(
     blink::WebIDBCursorDirection input) {
@@ skipping 54 matching lines @@
       *output = blink::WebIDBDataLossNone;
       return true;
     case DataLoss::Total:
       *output = blink::WebIDBDataLossTotal;
       return true;
   }
   return false;
 }
 
 // static
+OperationType EnumTraits<OperationType, blink::WebIDBOperationType>::ToMojom(
+    blink::WebIDBOperationType input) {
+  switch (input) {
+    case blink::WebIDBAdd:
+      return OperationType::Add;
+    case blink::WebIDBPut:
+      return OperationType::Put;
+    case blink::WebIDBDelete:
+      return OperationType::Delete;
+    case blink::WebIDBClear:
+      return OperationType::Clear;
+    case blink::WebIDBOperationTypeCount:
+      // WebIDBOperationTypeCount is not a valid option.
+      break;
+  }
+  NOTREACHED();
+  return OperationType::Add;
+}
+
+// static
+bool EnumTraits<OperationType, blink::WebIDBOperationType>::FromMojom(
+    OperationType input,
+    blink::WebIDBOperationType* output) {
+  switch (input) {
+    case OperationType::Add:
+      *output = blink::WebIDBAdd;
+      return true;
+    case OperationType::Put:
+      *output = blink::WebIDBPut;
+      return true;
+    case OperationType::Delete:
+      *output = blink::WebIDBDelete;
+      return true;
+    case OperationType::Clear:
+      *output = blink::WebIDBClear;
+      return true;
+  }
+  return false;
+}
+
+// static
 PutMode EnumTraits<PutMode, blink::WebIDBPutMode>::ToMojom(
     blink::WebIDBPutMode input) {
   switch (input) {
     case blink::WebIDBPutModeAddOrUpdate:
       return PutMode::AddOrUpdate;
     case blink::WebIDBPutModeAddOnly:
       return PutMode::AddOnly;
     case blink::WebIDBPutModeCursorUpdate:
       return PutMode::CursorUpdate;
   }
@@ skipping 75 matching lines @@
       *output = blink::WebIDBTransactionModeReadWrite;
       return true;
     case TransactionMode::VersionChange:
       *output = blink::WebIDBTransactionModeVersionChange;
       return true;
   }
   return false;
 }
 
 }  // namespace mojo