Move history extension API implementation to history dir.

chrome/browser/extensions/extension_history_api_constants.cc

Index: chrome/browser/extensions/extension_history_api_constants.cc
diff --git a/chrome/browser/extensions/extension_history_api_constants.cc b/chrome/browser/extensions/extension_history_api_constants.cc
deleted file mode 100644
index c5c75b09d4c7c9b1ab4c2b4a11d203431f287d48..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/extension_history_api_constants.cc
+++ /dev/null
@@ -1,35 +0,0 @@
-// Copyright (c) 2009 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 "chrome/browser/extensions/extension_history_api_constants.h"
-
-namespace extension_history_api_constants {
-
-const char kAllHistoryKey[] = "allHistory";
-const char kEndTimeKey[] = "endTime";
-const char kFaviconUrlKey[] = "favIconUrl";
-const char kIdKey[] = "id";
-const char kLastVisitdKey[] = "lastVisitTime";
-const char kMaxResultsKey[] = "maxResults";
-const char kNewKey[] = "new";
-const char kReferringVisitId[] = "referringVisitId";
-const char kRemovedKey[] = "removed";
-const char kStartTimeKey[] = "startTime";
-const char kTextKey[] = "text";
-const char kTitleKey[] = "title";
-const char kTypedCountKey[] = "typedCount";
-const char kVisitCountKey[] = "visitCount";
-const char kTransition[] = "transition";
-const char kUrlKey[] = "url";
-const char kUrlsKey[] = "urls";
-const char kVisitId[] = "visitId";
-const char kVisitTime[] = "visitTime";
-
-const char kOnVisited[] = "history.onVisited";
-const char kOnVisitRemoved[] = "history.onVisitRemoved";
-
-const char kInvalidIdError[] = "History item id is invalid.";
-const char kInvalidUrlError[] = "Url is invalid.";
-
-}  // namespace extension_history_api_constants