Remove no longer needed instrumentation 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/i18n/char_iterator.h"
@@ skipping 991 matching lines @@
   for (size_t i = 0; i < runs_.size(); ++i) {
     internal::TextRun* run = runs_[i];
     LayoutTextRun(run);
 
     ascent = std::max(ascent, run->font.GetBaseline());
     descent = std::max(descent,
                        run->font.GetHeight() - run->font.GetBaseline());
 
     if (run->glyph_count > 0) {
       run->advance_widths.reset(new int[run->glyph_count]);
-      // TODO(asvitkine): Temporary instrumentation to debug a double-free
-      // crash where we're seeing these two being equal inexplicably. Hitting
-      // this implies that the malloc book-keeping is corrupt and it returned
-      // the same pointer for two different allocs, which we can debug further.
-      // http://crbug.com/348103
-      CHECK_NE(static_cast<void*>(run->logical_clusters.get()),
-               static_cast<void*>(run->advance_widths.get()));
       run->offsets.reset(new GOFFSET[run->glyph_count]);
       hr = ScriptPlace(cached_hdc_,
                        &run->script_cache,
                        run->glyphs.get(),
                        run->glyph_count,
                        run->visible_attributes.get(),
                        &(run->script_analysis),
                        run->advance_widths.get(),
                        run->offsets.get(),
                        &(run->abc_widths));
@@ skipping 251 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