Remove content/browser dependency on WebKit::WebIDBCallbacks and WebKit::WebIDBDatabaseCallbacks

content/browser/indexed_db/webidbcursor_impl.cc

 // Copyright (c) 2013 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/browser/indexed_db/webidbcursor_impl.h"
 
 #include "content/browser/indexed_db/indexed_db_callbacks_wrapper.h"
 #include "content/browser/indexed_db/indexed_db_cursor.h"
 #include "content/common/indexed_db/indexed_db_key.h"
 #include "third_party/WebKit/public/platform/WebIDBKey.h"
 
-using WebKit::WebIDBCallbacks;
-
 namespace content {
 
 WebIDBCursorImpl::WebIDBCursorImpl(
     scoped_refptr<IndexedDBCursor> idb_cursor_backend)
     : idb_cursor_backend_(idb_cursor_backend) {}
 
 WebIDBCursorImpl::~WebIDBCursorImpl() {}
 
 void WebIDBCursorImpl::advance(unsigned long count,
-                               WebIDBCallbacks* callbacks) {
+                               IndexedDBCallbacksBase* callbacks) {
   idb_cursor_backend_->Advance(count,
                                IndexedDBCallbacksWrapper::Create(callbacks));
 }
 
 void WebIDBCursorImpl::continueFunction(const WebKit::WebIDBKey& key,
-                                        WebIDBCallbacks* callbacks) {
+                                        IndexedDBCallbacksBase* callbacks) {
   idb_cursor_backend_->ContinueFunction(
       make_scoped_ptr(new IndexedDBKey(key)),
       IndexedDBCallbacksWrapper::Create(callbacks));
 }
 
 void WebIDBCursorImpl::prefetchContinue(int number_to_fetch,
-                                        WebKit::WebIDBCallbacks* callbacks) {
+                                        IndexedDBCallbacksBase* callbacks) {
   idb_cursor_backend_->PrefetchContinue(
       number_to_fetch, IndexedDBCallbacksWrapper::Create(callbacks));
 }
 
 void WebIDBCursorImpl::prefetchReset(int used_prefetches,
                                      int unused_prefetches) {
   idb_cursor_backend_->PrefetchReset(used_prefetches, unused_prefetches);
 }
 
 }  // namespace content