Do not commit: debug Windows RenderText test failures.

ui/gfx/render_text_harfbuzz.cc

 // Copyright 2014 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_harfbuzz.h"
 
 #include <limits>
 #include <map>
 
 #include "base/i18n/bidi_line_iterator.h"
@@ skipping 1059 matching lines @@
   ubidi_reorderLogical(&levels[0], num_runs, &logical_to_visual_[0]);
 }
 
 bool RenderTextHarfBuzz::CompareFamily(
     internal::TextRunHarfBuzz* run,
     const std::string& family,
     const gfx::FontRenderParams& render_params,
     std::string* best_family,
     gfx::FontRenderParams* best_render_params,
     size_t* best_missing_glyphs) {
+  LOG(ERROR) << "XXX evaluating " << family;
   if (!ShapeRunWithFont(run, family, render_params))
     return false;
 
   const size_t missing_glyphs = run->CountMissingGlyphs();
+  LOG(ERROR) << "XXX " << missing_glyphs << " missing glyph(s)";
   if (missing_glyphs < *best_missing_glyphs) {
     *best_family = family;
     *best_render_params = render_params;
     *best_missing_glyphs = missing_glyphs;
   }
   return missing_glyphs == 0;
 }
 
 void RenderTextHarfBuzz::ShapeRun(internal::TextRunHarfBuzz* run) {
   const Font& primary_font = font_list().GetPrimaryFont();
   run->font_size = primary_font.GetFontSize();
 
   std::string best_family;
   FontRenderParams best_render_params;
   size_t best_missing_glyphs = std::numeric_limits<size_t>::max();
 
-  if (CompareFamily(run, primary_font.GetFontName(),
-                    primary_font.GetFontRenderParams(),
-                    &best_family, &best_render_params, &best_missing_glyphs))
-    return;
+  for (const Font& font : font_list().GetFonts()) {
+    if (CompareFamily(run, font.GetFontName(), font.GetFontRenderParams(),
+                      &best_family, &best_render_params, &best_missing_glyphs))
+      return;
+  }
 
 #if defined(OS_WIN)
   Font uniscribe_font;
   const base::char16* run_text = &(GetLayoutText()[run->range.start()]);
   if (GetUniscribeFallbackFont(primary_font, run_text, run->range.length(),
                                &uniscribe_font) &&
       CompareFamily(run, uniscribe_font.GetFontName(),
                     uniscribe_font.GetFontRenderParams(),
                     &best_family, &best_render_params, &best_missing_glyphs))
     return;
 #endif
 
   // Skip the first fallback font, which is |primary_font|.
   std::vector<std::string> fallback_families =
       GetFallbackFontFamilies(primary_font.GetFontName());
   for (size_t i = 1; i < fallback_families.size(); ++i) {
     FontRenderParamsQuery query(false);
     query.families.push_back(fallback_families[i]);
     query.pixel_size = run->font_size;
     query.style = run->font_style;
     FontRenderParams fallback_render_params = GetFontRenderParams(query, NULL);
     if (CompareFamily(run, fallback_families[i], fallback_render_params,
                       &best_family, &best_render_params, &best_missing_glyphs))
       return;
   }
 
+  LOG(ERROR) << "XXX best was " << best_family;
   if (!best_family.empty() &&
       (best_family == run->family ||
        ShapeRunWithFont(run, best_family, best_render_params)))
     return;
 
   run->glyph_count = 0;
   run->width = 0.0f;
 }
 
 bool RenderTextHarfBuzz::ShapeRunWithFont(internal::TextRunHarfBuzz* run,
@@ skipping 50 matching lines @@
       run->width = std::floor(run->width + 0.5f);
 #endif
   }
 
   hb_buffer_destroy(buffer);
   hb_font_destroy(harfbuzz_font);
   return true;
 }
 
 }  // namespace gfx