Reintroduce password support to NativeTextfieldViews

ui/gfx/render_text.h

 // Copyright (c) 2011 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_GFX_RENDER_TEXT_H_
 #define UI_GFX_RENDER_TEXT_H_
 #pragma once
 
 #include <algorithm>
 #include <vector>
@@ skipping 24 matching lines @@
 class RenderTextTest;
 
 // A visual style applicable to a range of text.
 struct UI_EXPORT StyleRange {
   StyleRange();
 
   Font font;
   SkColor foreground;
   bool strike;
   bool underline;
+  bool password;  // make all glyphs look the same (password mode)
   ui::Range range;
 };
 
 typedef std::vector<StyleRange> StyleRanges;
 
 // TODO(msw): Distinguish between logical character stops and glyph stops?
 // CHARACTER_BREAK cursor movements should stop at neighboring characters.
 // WORD_BREAK cursor movements should stop at the nearest word boundaries.
 // LINE_BREAK cursor movements should stop at the text ends as shown on screen.
 enum BreakType {
@@ skipping 11 matching lines @@
 class UI_EXPORT RenderText {
  public:
   virtual ~RenderText();
 
   // Creates a platform-specific RenderText instance.
   static RenderText* CreateRenderText();
 
   const string16& text() const { return text_; }
   void SetText(const string16& text);
 
+  // Like text() except that regions with the password property set are
+  // replaced with asterisks or bullets.
+  string16 GetCensoredText() const;
+
   const SelectionModel& selection_model() const { return selection_model_; }
 
   bool cursor_visible() const { return cursor_visible_; }
   void set_cursor_visible(bool visible) { cursor_visible_ = visible; }
 
   bool insert_mode() const { return insert_mode_; }
   void ToggleInsertMode();
 
   bool focused() const { return focused_; }
   void set_focused(bool focused) { focused_ = focused; }
@@ skipping 219 matching lines @@
   // The cached bounds and offset are invalidated by changes to the cursor,
   // selection, font, and other operations that adjust the visible text bounds.
   bool cached_bounds_and_offset_valid_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderText);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_RENDER_TEXT_H_