Land Satoshi.Matsuzaki's patch for issue 16197.

chrome/browser/views/options/fonts_page_view.cc

 // Copyright (c) 2009 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 "chrome/browser/views/options/fonts_page_view.h"
 
 #include <windows.h>
 #include <shlobj.h>
 #include <vsstyle.h>
 #include <vssym32.h>
@@ skipping 275 matching lines @@
         sans_serif_font_size_pixel_);
   } else if (font_type_being_changed_ == SANS_SERIF) {
     sans_serif_font_size_pixel_ = serif_font_size_pixel_ = font_size;
     sans_serif_font_display_view_->SetFontType(
         font.FontName(),
         sans_serif_font_size_pixel_);
     serif_font_display_view_->SetFontType(
         serif_font_display_view_->font_name(),
         sans_serif_font_size_pixel_);
   } else if (font_type_being_changed_ == FIXED_WIDTH) {
+    fixed_width_font_size_pixel_ = font_size;
     fixed_width_font_display_view_->SetFontType(font.FontName(), font_size);
   }
   font_changed_ = true;
 }
 
 void FontsPageView::SaveChanges() {
   // Set Fonts.
   if (font_changed_) {
     serif_name_.SetValue(serif_font_display_view_->font_name());
     serif_size_.SetValue(serif_font_size_pixel_);
@@ skipping 180 matching lines @@
   column_set->AddPaddingColumn(0, kRelatedControlHorizontalSpacing);
   column_set->AddColumn(GridLayout::FILL, GridLayout::FILL, 1,
                         GridLayout::USE_PREF, 0, 0);
 
   // Add Encoding Combobox.
   layout->StartRow(0, double_column_view_set_id);
   layout->AddView(default_encoding_combobox_label_);
   layout->AddView(default_encoding_combobox_, 1, 1, GridLayout::FILL,
       GridLayout::CENTER);
 }