Implement STYLE_LOWERCASE style for Aura NativeTextfield.

ui/views/controls/textfield/native_textfield_views.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_CONTROLS_TEXTFIELD_NATIVE_TEXTFIELD_VIEWS_H_
 #define UI_VIEWS_CONTROLS_TEXTFIELD_NATIVE_TEXTFIELD_VIEWS_H_
 #pragma once
 
 #include "base/memory/weak_ptr.h"
 #include "base/string16.h"
@@ skipping 154 matching lines @@
   virtual void OnInputMethodChanged() OVERRIDE;
   virtual bool ChangeTextDirectionAndLayoutAlignment(
       base::i18n::TextDirection direction) OVERRIDE;
 
   // Overridden from TextfieldViewsModel::Delegate:
   virtual void OnCompositionTextConfirmedOrCleared() OVERRIDE;
 
   // Returns the TextfieldViewsModel's text/cursor/selection rendering model.
   gfx::RenderText* GetRenderText() const;
 
+  // Converts |text| according to textfield style, e.g. lower case if
+  // |textfield_| has STYLE_LOWERCASE style.
+  string16 GetTextForDisplay(const string16& text);
+
   // A callback function to periodically update the cursor state.
   void UpdateCursor();
 
   // Repaint the cursor.
   void RepaintCursor();
 
   // Update the cursor_bounds and text_offset.
   void UpdateCursorBoundsAndTextOffset(size_t cursor_pos, bool insert_mode);
 
   void PaintTextAndCursor(gfx::Canvas* canvas);
 
   // Handle the keyevent.
   bool HandleKeyEvent(const KeyEvent& key_event);
 
   // Helper function to call MoveCursorTo on the TextfieldViewsModel.
   bool MoveCursorTo(const gfx::Point& point, bool select);
 
   // Utility function to inform the parent textfield (and its controller if any)
   // that the text in the textfield has changed.
   void PropagateTextChange();
 
   // Does necessary updates when the text and/or the position of the cursor
   // changed.
   void UpdateAfterChange(bool text_changed, bool cursor_changed);
 
-  // Utility function to prepare the context menu..
+  // Utility function to prepare the context menu.
   void UpdateContextMenu();
 
   // Convenience method to call InputMethod::OnTextInputTypeChanged();
   void OnTextInputTypeChanged();
 
   // Convenience method to call InputMethod::OnCaretBoundsChanged();
   void OnCaretBoundsChanged();
 
   // Convenience method to call TextfieldController::OnBeforeUserAction();
   void OnBeforeUserAction();
@@ skipping 62 matching lines @@
   scoped_ptr<views::MenuRunner> context_menu_runner_;
 
   scoped_ptr<TouchSelectionController> touch_selection_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeTextfieldViews);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_TEXTFIELD_NATIVE_TEXTFIELD_VIEWS_H_