rAc: remove bold section labels on linux_aura.

ui/base/resource/resource_bundle.cc

Index: ui/base/resource/resource_bundle.cc
diff --git a/ui/base/resource/resource_bundle.cc b/ui/base/resource/resource_bundle.cc
index 2cfe06cc11c2a7ecf6b81a1f75ed8508c781de1e..28a23b01d35b5fd2a233ced6d98e91da62dad517 100644
--- a/ui/base/resource/resource_bundle.cc
+++ b/ui/base/resource/resource_bundle.cc
@@ -515,6 +515,15 @@ const gfx::Font& ResourceBundle::GetFont(FontStyle style) {
   return GetFontList(style).GetPrimaryFont();
 }
 
+// static
+ResourceBundle::FontStyle ResourceBundle::BoldOnlyIfItLooksGood() {
+#if defined(USE_AURA) && defined(OS_LINUX)
+  return BaseFont;
+#else
+  return BoldFont;
+#endif  // defined(USE_AURA) && defined(OS_LINUX)
+}
+
 void ResourceBundle::ReloadFonts() {
   base::AutoLock lock_scope(*images_and_fonts_lock_);
   base_font_list_.reset();