Clip Views textfield drag images to selected text.

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 <climits>
 
 #include "base/i18n/break_iterator.h"
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   if (clip_to_display_rect())
     canvas->Restore();
 }
 
 void RenderText::DrawCursor(Canvas* canvas, const SelectionModel& position) {
   // Paint cursor. Replace cursor is drawn as rectangle for now.
   // TODO(msw): Draw a better cursor with a better indication of association.
   canvas->FillRect(GetCursorBounds(position, true), cursor_color_);
 }
 
-void RenderText::DrawSelectedTextForDrag(Canvas* canvas) {
-  EnsureLayout();
-  const std::vector<Rect> sel = GetSubstringBounds(selection());
-
-  // Override the selection color with black, and force the background to be
-  // transparent so that it's rendered without subpixel antialiasing.
-  const bool saved_background_is_transparent = background_is_transparent();
-  const SkColor saved_selection_color = selection_color();
-  set_background_is_transparent(true);
-  set_selection_color(SK_ColorBLACK);
-
-  for (size_t i = 0; i < sel.size(); ++i) {
-    canvas->Save();
-    canvas->ClipRect(sel[i]);
-    DrawVisualText(canvas);
-    canvas->Restore();
-  }
-
-  // Restore saved transparency and selection color.
-  set_selection_color(saved_selection_color);
-  set_background_is_transparent(saved_background_is_transparent);
-}
-
 Rect RenderText::GetCursorBounds(const SelectionModel& caret,
                                  bool insert_mode) {
   // TODO(ckocagil): Support multiline. This function should return the height
   //                 of the line the cursor is on. |GetStringSize()| now returns
   //                 the multiline size, eliminate its use here.
 
   EnsureLayout();
 
   size_t caret_pos = caret.caret_pos();
   DCHECK(IsCursorablePosition(caret_pos));
@@ skipping 520 matching lines @@
   cursor_bounds_ += delta_offset;
 }
 
 void RenderText::DrawSelection(Canvas* canvas) {
   const std::vector<Rect> sel = GetSubstringBounds(selection());
   for (std::vector<Rect>::const_iterator i = sel.begin(); i < sel.end(); ++i)
     canvas->FillRect(*i, selection_background_focused_color_);
 }
 
 }  // namespace gfx