New accessibility virtual keyboard behavior in non-sticky mode.

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 <vector>
 
 #include "base/compiler_specific.h"
@@ skipping 25 matching lines @@
   InputMethodBase();
   ~InputMethodBase() override;
 
   // Overriden from InputMethod.
   void SetDelegate(internal::InputMethodDelegate* delegate) override;
   void OnFocus() override;
   void OnBlur() override;
   void SetFocusedTextInputClient(TextInputClient* client) override;
   void DetachTextInputClient(TextInputClient* client) override;
   TextInputClient* GetTextInputClient() const override;
+  void SetAvailableBounds(const gfx::Rect& new_bounds) override;
 
   // 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;
@@ skipping 59 matching lines @@
 
   void SetFocusedTextInputClientInternal(TextInputClient* client);
 
   internal::InputMethodDelegate* delegate_;
   TextInputClient* text_input_client_;
 
   base::ObserverList<InputMethodObserver> observer_list_;
 
   std::vector<std::unique_ptr<ui::KeyEvent>> key_events_for_testing_;
 
+  // Screen bounds of root window not covered by virtual keyboard if it is
+  // active.
+  gfx::Rect available_bounds_;
+
   DISALLOW_COPY_AND_ASSIGN(InputMethodBase);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_IME_INPUT_METHOD_BASE_H_