Add and specify Views::Textfield::SelectAll |reversed| flag, etc.

ui/views/controls/textfield/textfield.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_TEXTFIELD_H_
 #define UI_VIEWS_CONTROLS_TEXTFIELD_TEXTFIELD_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 70 matching lines @@
   // new text's range, or moves the cursor to the end if the cursor is
   // out of the new text's range.
   void SetText(const string16& text);
 
   // Appends the given string to the previously-existing text in the field.
   void AppendText(const string16& text);
 
   // Returns the text that is currently selected.
   string16 GetSelectedText() const;
 
-  // Causes the edit field to be fully selected.
-  void SelectAll();
+  // Select the entire text range. If |reversed| is true, the range will end at
+  // the logical beginning of the text; this generally shows the leading portion
+  // of text that overflows its display area.
+  void SelectAll(bool reversed);
 
   // Clears the selection within the edit field and sets the caret to the end.
   void ClearSelection() const;
 
   // Checks if there is any selected text.
   bool HasSelection() const;
 
   // Accessor for |style_|.
   StyleFlags style() const { return style_; }
 
@@ skipping 216 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_