Move bookmarks extension api implementation to bookmarks dir

chrome/browser/bookmarks/bookmark_extension_api_constants.cc

Index: chrome/browser/bookmarks/bookmark_extension_api_constants.cc
diff --git a/chrome/browser/extensions/extension_bookmarks_module_constants.cc b/chrome/browser/bookmarks/bookmark_extension_api_constants.cc
similarity index 92%
rename from chrome/browser/extensions/extension_bookmarks_module_constants.cc
rename to chrome/browser/bookmarks/bookmark_extension_api_constants.cc
index 3b13942744faa99fa9d402096bac662dcc089fbc..41392f9d7cb1874228d0e35b3bcb492f23a44f04 100644
--- a/chrome/browser/extensions/extension_bookmarks_module_constants.cc
+++ b/chrome/browser/bookmarks/bookmark_extension_api_constants.cc
@@ -2,9 +2,9 @@
 // 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_bookmarks_module_constants.h"
+#include "chrome/browser/bookmarks/bookmark_extension_api_constants.h"
 
-namespace extension_bookmarks_module_constants {
+namespace bookmark_extension_api_constants {
 
 const char kIdKey[] = "id";
 const char kIndexKey[] = "index";
@@ -46,4 +46,5 @@ const char kOnBookmarkDragLeave[] =
     "experimental.bookmarkManager.onDragLeave";
 const char kOnBookmarkDrop[] =
     "experimental.bookmarkManager.onDrop";
-}  // namespace extension_bookmarks_module_constants
+
+}  // namespace bookmark_extension_api_constants