Password support for NativeTextfieldViews, in the model

ui/views/controls/textfield/textfield_views_model.h

Index: ui/views/controls/textfield/textfield_views_model.h
diff --git a/ui/views/controls/textfield/textfield_views_model.h b/ui/views/controls/textfield/textfield_views_model.h
index c6c1c400d998ab9609d313db8269e984010a8d85..6cbcfbbcb22021afe24c44535298c2b0adf48c95 100644
--- a/ui/views/controls/textfield/textfield_views_model.h
+++ b/ui/views/controls/textfield/textfield_views_model.h
@@ -67,7 +67,7 @@ class VIEWS_EXPORT TextfieldViewsModel {
 
   // Edit related methods.
 
-  const string16& GetText() const;
+  const string16& GetText() const { return text_; }
   // Sets the text. Returns true if the text has been modified.  The
   // current composition text will be confirmed first.  Setting
   // the same text will not add edit history because it's not user
@@ -76,6 +76,10 @@ class VIEWS_EXPORT TextfieldViewsModel {
   // messing edit history.
   bool SetText(const string16& text);
 
+  // In an obscured (password) field, all text is drawn as asterisks or bullets.
+  bool is_obscured() const { return obscured_; }
+  void SetObscured(bool obscured);
+
   gfx::RenderText* render_text() { return render_text_.get(); }
 
   // Inserts given |text| at the current cursor position.
@@ -286,6 +290,29 @@ class VIEWS_EXPORT TextfieldViewsModel {
 
   void ClearComposition();
 
+  void SetTextInternal(const string16& text);
+
+  // Like GetText() except that it returns asterisks or bullets if this is an
+  // obscured field.
+  string16 GetDisplayText() const;
+
+  // Functions for converting between indices into the text and indices into the
+  // displayed text (which might be a bunch of asterisks).
+  size_t FromDisplayIndex(size_t index) const;
+  size_t ToDisplayIndex(size_t index) const;
+  ui::Range FromDisplayRange(ui::Range range) const;
+  ui::Range ToDisplayRange(ui::Range range) const;
+  gfx::SelectionModel FromDisplaySelection(
+      const gfx::SelectionModel& model) const;
+  gfx::SelectionModel ToDisplaySelection(
+      const gfx::SelectionModel& model) const;
+
+  // The current text.
+  string16 text_;
+
+  // True if this is an obscured (password) field.
+  bool obscured_;
+
   // Pointer to a TextfieldViewsModel::Delegate instance, should be provided by
   // the View object.
   Delegate* delegate_;