Give request-to-act badges a grey background, and increase spacing to make it fit.

chrome/browser/ui/gtk/gtk_theme_service.h

Index: chrome/browser/ui/gtk/gtk_theme_service.h
diff --git a/chrome/browser/ui/gtk/gtk_theme_service.h b/chrome/browser/ui/gtk/gtk_theme_service.h
index b587fcb850226331e5001dc2e735d719f94312a5..b31407f00466a2fa61e938c2106fa40bf4950d6d 100644
--- a/chrome/browser/ui/gtk/gtk_theme_service.h
+++ b/chrome/browser/ui/gtk/gtk_theme_service.h
@@ -139,6 +139,12 @@ class GtkThemeService : public ThemeService {
   SkColor get_inactive_selection_fg_color() const {
     return inactive_selection_fg_color_;
   }
+  SkColor get_location_bar_text_color() const {
+    return location_bar_text_color_;
+  }
+  SkColor get_location_bar_bg_color() const {
+    return location_bar_bg_color_;
+  }
 
   // These functions return an image that is not owned by the caller and should
   // not be deleted. If |native| is true, get the GTK_STOCK version of the
@@ -280,6 +286,8 @@ class GtkThemeService : public ThemeService {
   SkColor active_selection_fg_color_;
   SkColor inactive_selection_bg_color_;
   SkColor inactive_selection_fg_color_;
+  SkColor location_bar_bg_color_;
+  SkColor location_bar_text_color_;
 
   // A GtkIconSet that has the tinted icons for the NORMAL and PRELIGHT states
   // of the IDR_FULLSCREEN_MENU_BUTTON tinted to the respective menu item label