Implement support for importing favorites from Edge on Windows 10.

chrome/common/importer/importer_type.h

 // Copyright 2013 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_IMPORTER_IMPORTER_TYPE_H_
 #define CHROME_COMMON_IMPORTER_IMPORTER_TYPE_H_
 
 #include "build/build_config.h"
 
 namespace importer {
 
 // An enumeration of the type of importers that we support to import
 // settings and data from (browsers, google toolbar and a bookmarks html file).
 // NOTE: Numbers added so that data can be reliably cast to ints and passed
 // across IPC.
 enum ImporterType {
   TYPE_UNKNOWN         = -1,
 #if defined(OS_WIN)
   TYPE_IE              = 0,
 #endif
   // Value 1 was the (now deleted) Firefox 2 profile importer.
   TYPE_FIREFOX         = 2,
 #if defined(OS_MACOSX)
   TYPE_SAFARI          = 3,
 #endif
   // Value 4 was the (now deleted) Google Toolbar importer.
-  TYPE_BOOKMARKS_FILE  = 5  // Identifies a 'bookmarks.html' file.
+  TYPE_BOOKMARKS_FILE  = 5, // Identifies a 'bookmarks.html' file.
+#if defined(OS_WIN)
+  TYPE_EDGE            = 6,
+#endif
 };
 
 }  // namespace importer
 
 
 #endif  // CHROME_COMMON_IMPORTER_IMPORTER_TYPE_H_