Supports FontList in Textfield.

ui/gfx/render_text_linux.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_linux.h"
 
 #include <pango/pangocairo.h>
 #include <algorithm>
 #include <string>
 #include <vector>
@@ skipping 213 matching lines @@
 
   EnsureLayout();
   int* ranges = NULL;
   int n_ranges = 0;
   pango_layout_line_get_x_ranges(current_line_,
                                  TextIndexToLayoutIndex(range.GetMin()),
                                  TextIndexToLayoutIndex(range.GetMax()),
                                  &ranges,
                                  &n_ranges);
 
-  int height = 0;
-  pango_layout_get_pixel_size(layout_, NULL, &height);
+  const int height = GetStringSize().height();
 
   std::vector<Rect> bounds;
   for (int i = 0; i < n_ranges; ++i) {
     // TODO(derat): Support fractional bounds for subpixel positioning?
     int x = PANGO_PIXELS(ranges[2 * i]);
     int width = PANGO_PIXELS(ranges[2 * i + 1]) - x;
     Rect rect(x, 0, width, height);
     rect.set_origin(ToViewPoint(rect.origin()));
     bounds.push_back(rect);
   }
@@ skipping 255 matching lines @@
                                           int glyph_index) const {
   return LayoutIndexToTextIndex(run->item->offset +
                                 run->glyphs->log_clusters[glyph_index]);
 }
 
 RenderText* RenderText::CreateInstance() {
   return new RenderTextLinux;
 }
 
 }  // namespace gfx