Revert of Follow up change for disabling out-of-box VK overscroll

chrome/browser/chromeos/login/ui/webui_login_display.cc

 // Copyright 2014 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/chromeos/login/ui/webui_login_display.h"
 
 #include "ash/shell.h"
 #include "chrome/browser/chromeos/accessibility/accessibility_manager.h"
 #include "chrome/browser/chromeos/login/lock/screen_locker.h"
 #include "chrome/browser/chromeos/login/ui/login_display_host_impl.h"
@@ skipping 188 matching lines @@
 void WebUILoginDisplay::ShowPasswordChangedDialog(bool show_password_error) {
   if (webui_handler_)
     webui_handler_->ShowPasswordChangedDialog(show_password_error);
 }
 
 void WebUILoginDisplay::ShowSigninUI(const std::string& email) {
   if (webui_handler_)
     webui_handler_->ShowSigninUI(email);
 }
 
+void WebUILoginDisplay::ShowControlBar(bool show) {
+  if (webui_handler_)
+    webui_handler_->ShowControlBar(show);
+}
+
+void WebUILoginDisplay::SetKeyboardState(bool shown) {
+  if (webui_handler_)
+    webui_handler_->SetKeyboardState(shown);
+}
+
+void WebUILoginDisplay::SetClientAreaSize(int width, int height) {
+  if (webui_handler_)
+    webui_handler_->SetClientAreaSize(width, height);
+}
+
 // WebUILoginDisplay, NativeWindowDelegate implementation: ---------------------
 gfx::NativeWindow WebUILoginDisplay::GetNativeWindow() const {
   return parent_window();
 }
 
 // WebUILoginDisplay, SigninScreenHandlerDelegate implementation: --------------
 void WebUILoginDisplay::CancelPasswordChangedFlow() {
   DCHECK(delegate_);
   if (delegate_)
     delegate_->CancelPasswordChangedFlow();
@@ skipping 154 matching lines @@
       base::TimeDelta::FromSeconds(kPasswordClearTimeoutSec), this,
       &WebUILoginDisplay::OnPasswordClearTimerExpired);
 }
 
 void WebUILoginDisplay::OnPasswordClearTimerExpired() {
   if (webui_handler_)
     webui_handler_->ClearUserPodPassword();
 }
 
 }  // namespace chromeos