[ChromeOS] Show autofill popup after keyboard (if any) is shown.

ui/base/ime/dummy_input_method.cc

 // 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.
 
 #include "ui/base/ime/dummy_input_method.h"
 
 namespace ui {
 
 DummyInputMethod::DummyInputMethod() {
 }
@@ skipping 68 matching lines @@
   return true;
 }
 
 bool DummyInputMethod::IsCandidatePopupOpen() const {
   return false;
 }
 
 void DummyInputMethod::ShowImeIfNeeded() {
 }
 
+void DummyInputMethod::SetSupportsOnScreenKeyboard(bool supports) {
+}
+
+bool DummyInputMethod::SupportsOnScreenKeyboard() const {
+  return false;
+}
+
+void DummyInputMethod::OnKeyboardBoundsUnchanged() {
+}
+
 void DummyInputMethod::AddObserver(InputMethodObserver* observer) {
 }
 
 void DummyInputMethod::RemoveObserver(InputMethodObserver* observer) {
 }
 
 }  // namespace ui