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

content/child/indexed_db/proxy_webidbcursor_impl_unittest.cc

 // Copyright 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 "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "content/child/indexed_db/indexed_db_dispatcher.h"
 #include "content/child/indexed_db/proxy_webidbcursor_impl.h"
 #include "content/child/thread_safe_sender.h"
 #include "content/common/indexed_db/indexed_db_key.h"
 #include "ipc/ipc_sync_message_filter.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/WebKit/public/platform/WebData.h"
 #include "third_party/WebKit/public/platform/WebIDBCallbacks.h"
 
 using WebKit::WebData;
 using WebKit::WebIDBCallbacks;
 using WebKit::WebIDBDatabase;
-using WebKit::WebIDBDatabaseError;
 using WebKit::WebIDBKey;
 
 namespace content {
 
 namespace {
 
 class MockDispatcher : public IndexedDBDispatcher {
  public:
   MockDispatcher(ThreadSafeSender* thread_safe_sender)
       : IndexedDBDispatcher(thread_safe_sender),
@@ skipping 123 matching lines @@
         EXPECT_EQ(expected_key++, key.number());
       }
     }
   }
 
   EXPECT_EQ(dispatcher.destroyed_cursor_id(),
             RendererWebIDBCursorImpl::kInvalidCursorId);
 }
 
 }  // namespace content