color_utils cleanup:

chrome/browser/ui/views/bookmarks/bookmark_bar_instructions_view.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 "chrome/browser/ui/views/bookmarks/bookmark_bar_instructions_view.h"
 
 #include <algorithm>
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/defaults.h"
@@ skipping 136 matching lines @@
   if (!ui::MaterialDesignController::IsModeMaterial()) {
     import_link_->SetEnabledColor(text_color);
   } else {
     // For MD, use the default link color if it provides enough contrast. If
     // contrast is too low, fall back to the bookmark text color and use an
     // underline to make it obvious it's a link. The default color readability
     // code (which only adjusts luminance) doesn't work well in this case.
     SkColor bg = theme_provider->GetColor(ThemeProperties::COLOR_TOOLBAR);
     SkColor link_color =
         GetNativeTheme()->GetSystemColor(ui::NativeTheme::kColorId_LinkEnabled);
-    bool link_has_contrast = color_utils::GetContrastRatio(link_color, bg) >=
+    bool link_has_contrast = color_utils::ContrastRatio(link_color, bg) >=
                              color_utils::kMinimumReadableContrastRatio;
     import_link_->SetUnderline(!link_has_contrast);
     import_link_->SetEnabledColor(link_has_contrast ? link_color : text_color);
   }
 }