Native themes: Add separator color

chrome/browser/ui/libgtkui/native_theme_gtk2.cc

Index: chrome/browser/ui/libgtkui/native_theme_gtk2.cc
diff --git a/chrome/browser/ui/libgtkui/native_theme_gtk2.cc b/chrome/browser/ui/libgtkui/native_theme_gtk2.cc
index 13314f34d520a4e5d07a39822e692b188f808975..d1aa13b488de79447fc23937806ec000ca8eb8d7 100644
--- a/chrome/browser/ui/libgtkui/native_theme_gtk2.cc
+++ b/chrome/browser/ui/libgtkui/native_theme_gtk2.cc
@@ -197,6 +197,10 @@ SkColor NativeThemeGtk2::GetSystemColor(ColorId color_id) const {
     case kColorId_LinkPressed:
       return SK_ColorRED;
 
+    // Separator
+    case kColorId_SeparatorColor:
+      return GetFgColor(GetSeparator(), INSENSITIVE);
+
     // Button
     case kColorId_ButtonEnabledColor:
       return GetTextColor(GetButton(), NORMAL);
@@ -455,4 +459,13 @@ GtkWidget* NativeThemeGtk2::GetMenuItem() const {
   return fake_menu_item;
 }
 
+GtkWidget* NativeThemeGtk2::GetSeparator() const {
+  static GtkWidget* fake_separator = NULL;
+
+  if (!fake_separator)
+    fake_separator = gtk_hseparator_new();
+
+  return fake_separator;
+}
+
 }  // namespace libgtkui