IndexedDB: Remove uses of WebKit API types from back-end code

content/browser/indexed_db/indexed_db_callbacks.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CALLBACKS_H_
 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CALLBACKS_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "content/browser/indexed_db/indexed_db_dispatcher_host.h"
 #include "googleurl/src/gurl.h"
 #include "third_party/WebKit/public/platform/WebIDBCallbacks.h"
 #include "third_party/WebKit/public/platform/WebIDBDatabase.h"
-#include "third_party/WebKit/public/platform/WebIDBDatabaseError.h"
-#include "third_party/WebKit/public/platform/WebString.h"
 
 namespace content {
+class IndexedDBDatabaseError;
 class WebIDBCursorImpl;
 class WebIDBDatabaseImpl;
 struct IndexedDBDatabaseMetadata;
 
 class IndexedDBCallbacksBase {
  public:
   virtual ~IndexedDBCallbacksBase();
 
-  virtual void onError(const WebKit::WebIDBDatabaseError& error);
+  virtual void onError(const IndexedDBDatabaseError& error);
   virtual void onBlocked(long long old_version);
 
   // implemented by subclasses, but need to be called later
   virtual void onSuccess(const std::vector<string16>& value);
   virtual void onSuccess(WebIDBDatabaseImpl* idb_object,
                          const IndexedDBDatabaseMetadata& metadata);
   virtual void onUpgradeNeeded(long long old_version,
                                WebIDBDatabaseImpl* database,
                                const IndexedDBDatabaseMetadata&,
                                WebKit::WebIDBCallbacks::DataLoss data_loss);
@@ skipping 164 matching lines @@
   virtual void onSuccess();
   virtual void onSuccess(const IndexedDBKey& value);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(IndexedDBCallbacks);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_CALLBACKS_H_