Moving the tabs_module API into a separate directory in api/

chrome/browser/extensions/api/tabs/tabs_constants.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.
 
 // Constants used for the Tabs API and the Windows API.
 
-#ifndef CHROME_BROWSER_EXTENSIONS_EXTENSION_TABS_MODULE_CONSTANTS_H_
-#define CHROME_BROWSER_EXTENSIONS_EXTENSION_TABS_MODULE_CONSTANTS_H_
+#ifndef CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_CONSTANTS_H_
+#define CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_CONSTANTS_H_
 #pragma once
 
-namespace extension_tabs_module_constants {
+namespace extensions {
+namespace tabs_constants {
 
 // Keys used in serializing tab data & events.
 extern const char kActiveKey[];
 extern const char kAllFramesKey[];
 extern const char kAlwaysOnTopKey[];
 extern const char kBypassCache[];
 extern const char kCodeKey[];
 extern const char kCurrentWindowKey[];
 extern const char kDrawAttentionKey[];
 extern const char kFaviconUrlKey[];
@@ skipping 69 matching lines @@
 extern const char kNotImplementedError[];
 extern const char kSupportedInWindowsOnlyError[];
 extern const char kInvalidWindowTypeError[];
 extern const char kInvalidWindowStateError[];
 
 extern const char kNoCodeOrFileToExecuteError[];
 extern const char kMoreThanOneValuesError[];
 extern const char kLoadFileError[];
 extern const char kCannotDetermineLanguageOfUnloadedTab[];
 
-};  // namespace extension_tabs_module_constants
+};  // namespace tabs_constants
+};  // namespace extensions
 
-#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_TABS_MODULE_CONSTANTS_H_
+#endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_CONSTANTS_H_