Move infobar extension API implementation to infobars dir.

chrome/browser/extensions/extension_infobar_module_constants.h

Index: chrome/browser/extensions/extension_infobar_module_constants.h
diff --git a/chrome/browser/extensions/extension_infobar_module_constants.h b/chrome/browser/extensions/extension_infobar_module_constants.h
deleted file mode 100644
index f53f65b744a3eaf52bef5f84790b35b6694b906c..0000000000000000000000000000000000000000
--- a/chrome/browser/extensions/extension_infobar_module_constants.h
+++ /dev/null
@@ -1,24 +0,0 @@
-// Copyright (c) 2011 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.
-
-// Constants used for the InfoBar API.
-
-#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_INFOBAR_MODULE_CONSTANTS_H_
-#define CHROME_BROWSER_EXTENSIONS_EXTENSION_INFOBAR_MODULE_CONSTANTS_H_
-#pragma once
-
-namespace extension_infobar_module_constants {
-
-// Keys.
-extern const char kHtmlPath[];
-extern const char kTabId[];
-extern const char kHeight[];
-
-// Errors.
-extern const char kNoCurrentWindowError[];
-extern const char kTabNotFoundError[];
-
-};  // namespace extension_infobar_module_constants
-
-#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_INFOBAR_MODULE_CONSTANTS_H_