rAc: remove bold section labels on linux_aura.

ui/base/resource/resource_bundle.h

Index: ui/base/resource/resource_bundle.h
diff --git a/ui/base/resource/resource_bundle.h b/ui/base/resource/resource_bundle.h
index 9ce24664524f555747068e21c1e3800b6309057d..1c2a8e3b0c9f24fd1e3abf41a097f969b59f025b 100644
--- a/ui/base/resource/resource_bundle.h
+++ b/ui/base/resource/resource_bundle.h
@@ -238,6 +238,10 @@ class UI_BASE_EXPORT ResourceBundle {
   // Returns the font for the specified style.
   const gfx::Font& GetFont(FontStyle style);
 
+  // Returns a bold font style if it looks good for the current platform.
+  // Bolding is currently omitted on Linux Aura.
+  static FontStyle BoldOnlyIfItLooksGood();
+
   // Resets and reloads the cached fonts.  This is useful when the fonts of the
   // system have changed, for example, when the locale has changed.
   void ReloadFonts();