Make text input type and password visibility bit independent in Textfield

ui/views/controls/textfield/textfield.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_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_
 #define UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 45 matching lines @@
   virtual ~Textfield();
 
   // TextfieldController accessors
   void SetController(TextfieldController* controller);
   TextfieldController* GetController() const;
 
   // Gets/Sets whether or not the Textfield is read-only.
   bool read_only() const { return read_only_; }
   void SetReadOnly(bool read_only);
 
-  // Gets/Sets whether or not this Textfield is a password field.
-  // TODO(bryeung): Currently this is only used in
-  // chrome/browser/chromeos/options/wifi_config_view.cc, which is being
-  // converted to WebUI.  Please remove this when that happens.
+  // Gets whether or not this Textfield is a password field. This property
+  // can be set by calling SetTextInputType.
   bool IsPassword() const;
-  void SetPassword(bool password);
 
   // Gets/Sets the input type of this textfield.
   ui::TextInputType GetTextInputType() const;
   void SetTextInputType(ui::TextInputType type);
 
   // Gets/Sets the text currently displayed in the Textfield.
   const string16& text() const { return text_; }
 
   // Sets the text currently displayed in the Textfield.  This doesn't
   // change the cursor position if the current cursor is within the
@@ skipping 224 matching lines @@
 
   // The input type of this text field.
   ui::TextInputType text_input_type_;
 
   DISALLOW_COPY_AND_ASSIGN(Textfield);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_