Remove unused flag 'kDisableSmartVirtualKeyboard' and associated code.

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 1735 matching lines @@
     "puts it secondary to the reload button.";
 
 const char kEnableShowSavedCopyPrimary[] = "Enable: Primary";
 
 const char kEnableShowSavedCopySecondary[] = "Enable: Secondary";
 
 const char kDisableShowSavedCopy[] = "Disable";
 
 #if defined(OS_CHROMEOS)
 
-const char kSmartVirtualKeyboardName[] =
-    "Smart Deployment of the Virtual Keyboard";
-
-const char kSmartVirtualKeyboardDescription[] =
-    "Enable/Disable smart deployment of the virtual keyboard.";
-
 const char kVirtualKeyboardName[] = "Virtual Keyboard";
 
 const char kVirtualKeyboardDescription[] = "Enable virtual keyboard support.";
 
 const char kVirtualKeyboardOverscrollName[] = "Virtual Keyboard Overscroll";
 
 const char kVirtualKeyboardOverscrollDescription[] =
     "Enables virtual keyboard overscroll support.";
 
 const char kInputViewName[] = "Input views";
@@ skipping 1380 matching lines @@
 
 #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
 
 }  // namespace flag_descriptions