Enable new-virtual-keyboard-behavior flag by default.

chrome/browser/flag_descriptions.cc

 // Copyright 2017 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.
 
 #include "chrome/browser/flag_descriptions.h"
 
 namespace flag_descriptions {
 
 //  Material Design version of chrome://bookmarks
 
@@ skipping 3132 matching lines @@
     "search engine.";
 
 #endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
 
 #if defined(OS_MACOSX)
 extern const char kMacRTLName[] = "Enable RTL";
 extern const char kMacRTLDescription[] =
     "Mirrors the UI for RTL language users";
 #endif
 
+#if defined(OS_CHROMEOS)
+
+const char kDisableNewVirtualKeyboardBehaviorName[] =
+    "New window behavior for the accessibility keyboard";
+const char kDisableNewVirtualKeyboardBehaviorDescription[] =
+    "Disable new window behavior for the accessibility keyboard "
+    "in non-sticky mode (do not change work area in non-sticky mode).";
+
+#endif  // defined(OS_CHROMEOS)
+
 }  // namespace flag_descriptions