[IndexedDB] Use consistent enums on both sides of IPC.

content/browser/indexed_db/indexed_db_backing_store.cc

Index: content/browser/indexed_db/indexed_db_backing_store.cc
diff --git a/content/browser/indexed_db/indexed_db_backing_store.cc b/content/browser/indexed_db/indexed_db_backing_store.cc
index 1e1d85b4cbbf9e277f005c83fe55a180ce7f00b9..136d78f5562c0a261ebac44172258fa85970c828 100644
--- a/content/browser/indexed_db/indexed_db_backing_store.cc
+++ b/content/browser/indexed_db/indexed_db_backing_store.cc
@@ -1957,20 +1957,15 @@ leveldb::Status IndexedDBBackingStore::DeleteRange(
                             database_id,
                             object_store_id,
                             key_range,
-                            indexed_db::CURSOR_NEXT,
+                            blink::Next,
                             &s);
   if (!s.ok())
     return s;
   if (!start_cursor)
     return leveldb::Status::OK();  // Empty range == delete success.
 
-  scoped_ptr<IndexedDBBackingStore::Cursor> end_cursor =
-      OpenObjectStoreCursor(transaction,
-                            database_id,
-                            object_store_id,
-                            key_range,
-                            indexed_db::CURSOR_PREV,
-                            &s);
+  scoped_ptr<IndexedDBBackingStore::Cursor> end_cursor = OpenObjectStoreCursor(
+      transaction, database_id, object_store_id, key_range, blink::Prev, &s);
 
   if (!s.ok())
     return s;
@@ -3559,7 +3554,7 @@ bool ObjectStoreCursorOptions(
     int64 database_id,
     int64 object_store_id,
     const IndexedDBKeyRange& range,
-    indexed_db::CursorDirection direction,
+    blink::Direction direction,
     IndexedDBBackingStore::Cursor::CursorOptions* cursor_options) {
   cursor_options->database_id = database_id;
   cursor_options->object_store_id = object_store_id;
@@ -3567,10 +3562,9 @@ bool ObjectStoreCursorOptions(
   bool lower_bound = range.lower().IsValid();
   bool upper_bound = range.upper().IsValid();
   cursor_options->forward =
-      (direction == indexed_db::CURSOR_NEXT_NO_DUPLICATE ||
-       direction == indexed_db::CURSOR_NEXT);
-  cursor_options->unique = (direction == indexed_db::CURSOR_NEXT_NO_DUPLICATE ||
-                            direction == indexed_db::CURSOR_PREV_NO_DUPLICATE);
+      (direction == blink::NextNoDuplicate || direction == blink::Next);
+  cursor_options->unique = (direction == blink::NextNoDuplicate ||
+                            direction == blink::PrevNoDuplicate);
 
   if (!lower_bound) {
     cursor_options->low_key =
@@ -3632,7 +3626,7 @@ bool IndexCursorOptions(
     int64 object_store_id,
     int64 index_id,
     const IndexedDBKeyRange& range,
-    indexed_db::CursorDirection direction,
+    blink::Direction direction,
     IndexedDBBackingStore::Cursor::CursorOptions* cursor_options) {
   DCHECK(transaction);
   if (!KeyPrefix::ValidIds(database_id, object_store_id, index_id))
@@ -3645,10 +3639,9 @@ bool IndexCursorOptions(
   bool lower_bound = range.lower().IsValid();
   bool upper_bound = range.upper().IsValid();
   cursor_options->forward =
-      (direction == indexed_db::CURSOR_NEXT_NO_DUPLICATE ||
-       direction == indexed_db::CURSOR_NEXT);
-  cursor_options->unique = (direction == indexed_db::CURSOR_NEXT_NO_DUPLICATE ||
-                            direction == indexed_db::CURSOR_PREV_NO_DUPLICATE);
+      (direction == blink::NextNoDuplicate || direction == blink::Next);
+  cursor_options->unique = (direction == blink::NextNoDuplicate ||
+                            direction == blink::PrevNoDuplicate);
 
   if (!lower_bound) {
     cursor_options->low_key =
@@ -3705,7 +3698,7 @@ IndexedDBBackingStore::OpenObjectStoreCursor(
     int64 database_id,
     int64 object_store_id,
     const IndexedDBKeyRange& range,
-    indexed_db::CursorDirection direction,
+    blink::Direction direction,
     leveldb::Status* s) {
   IDB_TRACE("IndexedDBBackingStore::OpenObjectStoreCursor");
   *s = leveldb::Status::OK();
@@ -3732,7 +3725,7 @@ IndexedDBBackingStore::OpenObjectStoreKeyCursor(
     int64 database_id,
     int64 object_store_id,
     const IndexedDBKeyRange& range,
-    indexed_db::CursorDirection direction,
+    blink::Direction direction,
     leveldb::Status* s) {
   IDB_TRACE("IndexedDBBackingStore::OpenObjectStoreKeyCursor");
   *s = leveldb::Status::OK();
@@ -3760,7 +3753,7 @@ IndexedDBBackingStore::OpenIndexKeyCursor(
     int64 object_store_id,
     int64 index_id,
     const IndexedDBKeyRange& range,
-    indexed_db::CursorDirection direction,
+    blink::Direction direction,
     leveldb::Status* s) {
   IDB_TRACE("IndexedDBBackingStore::OpenIndexKeyCursor");
   *s = leveldb::Status::OK();
@@ -3789,7 +3782,7 @@ IndexedDBBackingStore::OpenIndexCursor(
     int64 object_store_id,
     int64 index_id,
     const IndexedDBKeyRange& range,
-    indexed_db::CursorDirection direction,
+    blink::Direction direction,
     leveldb::Status* s) {
   IDB_TRACE("IndexedDBBackingStore::OpenIndexCursor");
   LevelDBTransaction* leveldb_transaction = transaction->transaction();