Clean up windows API implementations to use JSON compiler generated code

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_API_TABS_TABS_CONSTANTS_H_
 #define CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_CONSTANTS_H_
 
 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[];
 extern const char kFileKey[];
 extern const char kFocusedKey[];
 extern const char kFormatKey[];
 extern const char kFromIndexKey[];
 extern const char kHeightKey[];
 extern const char kIdKey[];
 extern const char kIndexKey[];
 extern const char kLastFocusedWindowKey[];
 extern const char kLeftKey[];
@@ skipping 65 matching lines @@
 
 extern const char kNoCodeOrFileToExecuteError[];
 extern const char kMoreThanOneValuesError[];
 extern const char kLoadFileError[];
 extern const char kCannotDetermineLanguageOfUnloadedTab[];
 
 };  // namespace tabs_constants
 };  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_TABS_TABS_CONSTANTS_H_