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

ui/gfx/render_text.cc

 // 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.
 
 #include "ui/gfx/render_text.h"
 
 #include <algorithm>
 
 #include "base/i18n/break_iterator.h"
 #include "base/logging.h"
@@ skipping 503 matching lines @@
   SelectionModel cursor = FindCursorPosition(point);
   return RangeContainsCaret(
       selection(), cursor.caret_pos(), cursor.caret_affinity());
 }
 
 void RenderText::ClearSelection() {
   SetSelectionModel(SelectionModel(cursor_position(),
                                    selection_model_.caret_affinity()));
 }
 
-void RenderText::SelectAll() {
-  SelectionModel all;
-  if (GetTextDirection() == base::i18n::LEFT_TO_RIGHT)
-    all = SelectionModel(ui::Range(0, text().length()), CURSOR_FORWARD);
-  else
-    all = SelectionModel(ui::Range(text().length(), 0), CURSOR_BACKWARD);
-  SetSelectionModel(all);
+void RenderText::SelectAll(bool reversed) {
+  const size_t length = text().length();
+  const ui::Range all = reversed ? ui::Range(length, 0) : ui::Range(0, length);
+  const bool success = SelectRange(all);
+  DCHECK(success);
 }
 
 void RenderText::SelectWord() {
   if (obscured_) {
-    SelectAll();
+    SelectAll(false);
     return;
   }
 
   size_t cursor_pos = cursor_position();
 
   base::i18n::BreakIterator iter(text(), base::i18n::BreakIterator::BREAK_WORD);
   bool success = iter.Init();
   DCHECK(success);
   if (!success)
     return;
@@ skipping 422 matching lines @@
   if (cursor_enabled() && cursor_visible() && focused()) {
     const Rect& bounds = GetUpdatedCursorBounds();
     if (bounds.width() != 0)
       canvas->FillRect(bounds, cursor_color_);
     else
       canvas->DrawRect(bounds, cursor_color_);
   }
 }
 
 }  // namespace gfx