Rename visual style "password" to "obscured"

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 51a4ea45833a8374d80901a38347947751c12bcc..7aceb667ef479cee9d6d39cfee6ecb7233116287 100644
--- a/ui/views/controls/textfield/textfield_views_model.h
+++ b/ui/views/controls/textfield/textfield_views_model.h
@@ -65,8 +65,8 @@ class VIEWS_EXPORT TextfieldViewsModel {
   explicit TextfieldViewsModel(Delegate* delegate);
   virtual ~TextfieldViewsModel();
 
-  void set_is_password(bool is_password) {
-    is_password_ = is_password;
+  void set_is_obscured(bool is_obscured) {
+    is_obscured_ = is_obscured;
   }
 
   // Edit related methods.
@@ -183,7 +183,7 @@ class VIEWS_EXPORT TextfieldViewsModel {
   // Redo edit. Returns true if redo changed the text.
   bool Redo();
 
-  // Returns visible text. If the field is password, it returns the
+  // Returns visible text. If the field is obscured, it returns the
   // sequence of "*".
   string16 GetVisibleText() const;
 
@@ -304,8 +304,8 @@ class VIEWS_EXPORT TextfieldViewsModel {
   // The stylized text, cursor, selection, and the visual layout model.
   scoped_ptr<gfx::RenderText> render_text_;
 
-  // True if the text is the password.
-  bool is_password_;
+  // True if the text is obscured (e.g., a password).
+  bool is_obscured_;
 
   typedef std::list<internal::Edit*> EditHistory;
   EditHistory edit_history_;