move content/common_child to content/child

content/common_child/indexed_db/proxy_webidbcursor_impl.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_COMMON_CHILD_INDEXED_DB_PROXY_WEBIDBCURSOR_IMPL_H_
-#define CONTENT_COMMON_CHILD_INDEXED_DB_PROXY_WEBIDBCURSOR_IMPL_H_
-
-#include <deque>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "base/compiler_specific.h"
-#include "base/gtest_prod_util.h"
-#include "content/common/content_export.h"
-#include "content/common/indexed_db/indexed_db_key.h"
-#include "third_party/WebKit/public/platform/WebData.h"
-#include "third_party/WebKit/public/platform/WebIDBCallbacks.h"
-#include "third_party/WebKit/public/platform/WebIDBCursor.h"
-#include "third_party/WebKit/public/platform/WebIDBKey.h"
-
-namespace content {
-
-class CONTENT_EXPORT RendererWebIDBCursorImpl
-    : NON_EXPORTED_BASE(public WebKit::WebIDBCursor) {
- public:
-  explicit RendererWebIDBCursorImpl(int32 ipc_cursor_id);
-  virtual ~RendererWebIDBCursorImpl();
-
-  virtual void advance(unsigned long count, WebKit::WebIDBCallbacks* callback);
-  virtual void continueFunction(const WebKit::WebIDBKey& key,
-                                WebKit::WebIDBCallbacks* callback);
-  virtual void postSuccessHandlerCallback();
-
-  void SetPrefetchData(const std::vector<IndexedDBKey>& keys,
-                       const std::vector<IndexedDBKey>& primary_keys,
-                       const std::vector<WebKit::WebData>& values);
-
-  void CachedContinue(WebKit::WebIDBCallbacks* callbacks);
-  void ResetPrefetchCache();
-
- private:
-  FRIEND_TEST_ALL_PREFIXES(RendererWebIDBCursorImplTest, PrefetchTest);
-
-  int32 ipc_cursor_id_;
-
-  // Prefetch cache.
-  std::deque<IndexedDBKey> prefetch_keys_;
-  std::deque<IndexedDBKey> prefetch_primary_keys_;
-  std::deque<WebKit::WebData> prefetch_values_;
-
-  // Number of continue calls that would qualify for a pre-fetch.
-  int continue_count_;
-
-  // Number of items used from the last prefetch.
-  int used_prefetches_;
-
-  // Number of onsuccess handlers we are waiting for.
-  int pending_onsuccess_callbacks_;
-
-  // Number of items to request in next prefetch.
-  int prefetch_amount_;
-
-  enum { kInvalidCursorId = -1 };
-  enum { kPrefetchContinueThreshold = 2 };
-  enum { kMinPrefetchAmount = 5 };
-  enum { kMaxPrefetchAmount = 100 };
-};
-
-}  // namespace content
-
-#endif  // CONTENT_COMMON_CHILD_INDEXED_DB_PROXY_WEBIDBCURSOR_IMPL_H_