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

ui/base/ime/input_method_base.h

 // Copyright (c) 2012 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 UI_BASE_IME_INPUT_METHOD_BASE_H_
 #define UI_BASE_IME_INPUT_METHOD_BASE_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 34 matching lines @@
 
   // If a derived class overrides this method, it should call parent's
   // implementation.
   void OnTextInputTypeChanged(const TextInputClient* client) override;
 
   TextInputType GetTextInputType() const override;
   TextInputMode GetTextInputMode() const override;
   int GetTextInputFlags() const override;
   bool CanComposeInline() const override;
   void ShowImeIfNeeded() override;
+  void SetSupportsOnScreenKeyboard(bool supported) override;
+  bool SupportsOnScreenKeyboard() const override;
 
   void AddObserver(InputMethodObserver* observer) override;
   void RemoveObserver(InputMethodObserver* observer) override;
 
  protected:
   virtual void OnWillChangeFocusedClient(TextInputClient* focused_before,
                                          TextInputClient* focused) {}
   virtual void OnDidChangeFocusedClient(TextInputClient* focused_before,
                                         TextInputClient* focused) {}
 
@@ skipping 41 matching lines @@
   void CandidateWindowShownCallback();
   void CandidateWindowUpdatedCallback();
   void CandidateWindowHiddenCallback();
 
   internal::InputMethodDelegate* delegate_;
   TextInputClient* text_input_client_;
 
   ObserverList<InputMethodObserver> observer_list_;
 
   bool system_toplevel_window_focused_;
+  bool on_screen_keyboard_supported_;
 
   DISALLOW_COPY_AND_ASSIGN(InputMethodBase);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_IME_INPUT_METHOD_BASE_H_