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 179 matching lines @@
   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 17 matching lines @@
   // Handles mouse press events.
   void HandleMousePressEvent(const MouseEvent& event);
 
   // Returns true if the current text input type allows access by the IME.
   bool ImeEditingAllowed() const;
 
   // Returns true if distance between |event| and |last_click_location_|
   // exceeds the drag threshold.
   bool ExceededDragThresholdFromLastClickLocation(const MouseEvent& event);
 
+  // Converts |text| to lower case if |textfield_| has STYLE_LOWERCASE style.
+  void MaybeLowerCase(string16* text);

[msw, 2012/04/12 16:15:29]

Please rename this GetTextForDisplay or similar for generalization.
That's more amenable to eventually supporting uppercase, password, etc.
Also, put this below GetRenderText at line 175 (same for the definition).

[kochi, 2012/04/13 09:44:09]

Done.

+
   // Checks if a char is ok to be inserted into the textfield. The |ch| is a
   // modified character, i.e., modifiers took effect when generating this char.
   static bool ShouldInsertChar(char16 ch, int flags);
 
   // The parent textfield, the owner of this object.
   Textfield* textfield_;
 
   // The text model.
   scoped_ptr<TextfieldViewsModel> model_;
 
@@ skipping 25 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_