Remove unused variable declaration.

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/i18n/rtl.h"
@@ skipping 666 matching lines @@
   const wchar_t* run_text = &(GetLayoutText()[run->range.start()]);
   Font original_font = run->font;
   LinkedFontsIterator fonts(original_font);
   bool tried_cached_font = false;
   bool tried_fallback = false;
   // Keep track of the font that is able to display the greatest number of
   // characters for which ScriptShape() returned S_OK. This font will be used
   // in the case where no font is able to display the entire run.
   int best_partial_font_missing_char_count = INT_MAX;
   Font best_partial_font = original_font;
-  bool using_best_partial_font = false;
   Font current_font;
 
   run->logical_clusters.reset(new WORD[run_length]);
   while (fonts.NextFont(&current_font)) {
     HRESULT hr = ShapeTextRunWithFont(run, current_font);
 
     bool glyphs_missing = false;
     if (hr == USP_E_SCRIPT_NOT_IN_FONT) {
       glyphs_missing = true;
     } else if (hr == S_OK) {
@@ skipping 199 matching lines @@
   size_t position = LayoutIndexToTextIndex(run->range.end());
   position = IndexOfAdjacentGrapheme(position, CURSOR_BACKWARD);
   return SelectionModel(position, CURSOR_FORWARD);
 }
 
 RenderText* RenderText::CreateInstance() {
   return new RenderTextWin;
 }
 
 }  // namespace gfx