NTPResourceCache don't add substitution for colorSectionBorder twice

chrome/browser/ui/webui/ntp/ntp_resource_cache.cc

 // Copyright 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 "chrome/browser/ui/webui/ntp/ntp_resource_cache.h"
 
 #include <string>
 #include <vector>
 
 #include "base/command_line.h"
@@ skipping 558 matching lines @@
   // Cache-buster for background.
   substitutions["themeId"] =
       profile_->GetPrefs()->GetString(prefs::kCurrentThemeID);
 
   // Colors.
   substitutions["colorBackground"] = SkColorToRGBAString(color_background);
   substitutions["backgroundBarDetached"] = GetNewTabBackgroundCSS(tp, false);
   substitutions["backgroundBarAttached"] = GetNewTabBackgroundCSS(tp, true);
   substitutions["backgroundTiling"] = GetNewTabBackgroundTilingCSS(tp);
   substitutions["colorTextRgba"] = SkColorToRGBAString(color_text);
-  substitutions["colorSectionBorder"] =
-      SkColorToRGBAString(color_section_border);
   substitutions["colorTextLight"] = SkColorToRGBAString(color_text_light);
   substitutions["colorSectionBorder"] =
       SkColorToRGBComponents(color_section_border);
   substitutions["colorText"] = SkColorToRGBComponents(color_text);
 
   // For themes that right-align the background, we flip the attribution to the
   // left to avoid conflicts.
   int alignment =
       tp.GetDisplayProperty(ThemeProperties::NTP_BACKGROUND_ALIGNMENT);
   if (alignment & ThemeProperties::ALIGN_RIGHT) {
@@ skipping 12 matching lines @@
   // Get our template.
   static const base::StringPiece new_tab_theme_css(
       ResourceBundle::GetSharedInstance().GetRawDataResource(
           IDR_NEW_TAB_4_THEME_CSS));
 
   // Create the string from our template and the replacements.
   std::string css_string =
       ui::ReplaceTemplateExpressions(new_tab_theme_css, substitutions);
   new_tab_css_ = base::RefCountedString::TakeString(&css_string);
 }