[MD Bookmarks] Add skeleton for Material Design Bookmarks

chrome/common/extensions/extension_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.
 
 #ifndef CHROME_COMMON_EXTENSIONS_EXTENSION_CONSTANTS_H_
 #define CHROME_COMMON_EXTENSIONS_EXTENSION_CONSTANTS_H_
 
 #include <stdint.h>
 
 #include <string>
@@ skipping 16 matching lines @@
 extern const char kLaunchSourceAppListSearch[];
 extern const char kLaunchSourceAppListInfoDialog[];
 
 }  // namespace extension_urls
 
 namespace extension_misc {
 
 // The extension id of the bookmark manager.
 extern const char kBookmarkManagerId[];
 
+// The extension id of the Material Design bookmark manager.
+extern const char kMDBookmarkManagerId[];

[Dan Beam, 2016/10/25 18:05:51]

arguuuuuuuuably kMdBookmarkManagerId
                 ^^
as in MD -> Md

[calamity, 2016/10/28 05:58:22]

git grep approves.

+
 // The extension id of the Chrome component application.
 extern const char kChromeAppId[];
 
 // The extension id of the Cloud Print component application.
 extern const char kCloudPrintAppId[];
 
 // The extension id of the Data Saver extension.
 extern const char kDataSaverExtensionId[];
 
 // The extension id of the Drive extension.
@@ skipping 205 matching lines @@
 extern const char kMediaFileSystemPathPart[];
 
 #if defined(OS_CHROMEOS)
 // Returns true if |extension_id| is one of the IME extensions that will create
 // IME menu.
 bool IsImeMenuExtensionId(const std::string& extension_id);
 #endif
 }  // namespace extension_misc
 
 #endif  // CHROME_COMMON_EXTENSIONS_EXTENSION_CONSTANTS_H_