Respect the system ClearType setting in RenderTextWin.

ui/gfx/render_text_win.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_win.h"
 
 #include <algorithm>
 
 #include "base/i18n/break_iterator.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
+#include "ui/gfx/font_smoothing_win.h"
 #include "ui/gfx/screen_compatible_dc_win.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/canvas_skia.h"
 #include "ui/gfx/platform_font.h"
 
 namespace {
 
 // The maximum supported number of Uniscribe runs; a SCRIPT_ITEM is 8 bytes.
 // TODO(msw): Review memory use/failure? Max string length? Alternate approach?
 const int kGuessItems = 100;
@@ skipping 408 matching lines @@
 
   Point offset(GetOriginForSkiaDrawing());
   SkScalar x = SkIntToScalar(offset.x());
   SkScalar y = SkIntToScalar(offset.y());
 
   std::vector<SkPoint> pos;
 
   internal::SkiaTextRenderer renderer(canvas);
   ApplyFadeEffects(&renderer);
 
+  bool smoothing_enabled;
+  bool cleartype_enabled;
+  GetCachedFontSmoothingSettings(&smoothing_enabled, &cleartype_enabled);
+  renderer.SetFontSmoothingSettings(smoothing_enabled, cleartype_enabled);

[msw, 2012/02/15 00:33:16]

Perhaps comment on how enable_lcd_text == cleartype_enabled?
I guess if you're familiar with ClearType you'll understand.

[asvitkine_google, 2012/02/15 15:10:44]

Done.

+
   for (size_t i = 0; i < runs_.size(); ++i) {
     // Get the run specified by the visual-to-logical map.
     internal::TextRun* run = runs_[visual_to_logical_[i]];
 
     if (run->glyph_count == 0)
       continue;
 
     // Based on WebCore::skiaDrawText.
     pos.resize(run->glyph_count);
     SkScalar glyph_x = x;
@@ skipping 273 matching lines @@
     internal::TextRun* run) {
   size_t caret = IndexOfAdjacentGrapheme(run->range.end(), CURSOR_BACKWARD);
   return SelectionModel(caret, caret, SelectionModel::LEADING);
 }
 
 RenderText* RenderText::CreateRenderText() {
   return new RenderTextWin;
 }
 
 }  // namespace gfx