text input focus: Supports Window::GetFocusedTextInputClient.

ui/views/widget/widget.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_VIEWS_WIDGET_WIDGET_H_
 #define UI_VIEWS_WIDGET_WIDGET_H_
 
 #include <set>
 #include <stack>
 #include <vector>
@@ skipping 549 matching lines @@
     return const_cast<ui::NativeTheme*>(
         const_cast<const Widget*>(this)->GetNativeTheme());
   }
   const ui::NativeTheme* GetNativeTheme() const;
 
   // Returns the FocusManager for this widget.
   // Note that all widgets in a widget hierarchy share the same focus manager.
   FocusManager* GetFocusManager();
   const FocusManager* GetFocusManager() const;
 
+  // Returns the focused text input client within this widget.
+  ui::TextInputClient* GetFocusedTextInputClient();
+
   // Returns the InputMethod for this widget.
   // Note that all widgets in a widget hierarchy share the same input method.
   InputMethod* GetInputMethod();
   const InputMethod* GetInputMethod() const;
 
   // Returns the ui::InputMethod for this widget.
   // TODO(yukishiino): Rename this method to GetInputMethod once we remove
   // views::InputMethod.
   ui::InputMethod* GetHostInputMethod();
 
@@ skipping 397 matching lines @@
   bool movement_disabled_;
 
   ScopedObserver<ui::NativeTheme, ui::NativeThemeObserver> observer_manager_;
 
   DISALLOW_COPY_AND_ASSIGN(Widget);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_WIDGET_H_