Reuse submenu arrow images for trees (like the edit bookmark tree).

chrome/browser/ui/libgtkui/native_theme_gtk2.cc

 // Copyright (c) 2013 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/libgtkui/native_theme_gtk2.h"
 
 #include <gtk/gtk.h>
 
 #include "chrome/browser/ui/libgtkui/chrome_gtk_frame.h"
 #include "chrome/browser/ui/libgtkui/chrome_gtk_menu_subclasses.h"
@@ skipping 245 matching lines @@
     case kColorId_TableSelectedText:
     case kColorId_TableSelectedTextUnfocused:
     case kColorId_TreeSelectedText:
     case kColorId_TreeSelectedTextUnfocused:
       return GetTextColor(GetTree(), SELECTED);
     case kColorId_TableSelectionBackgroundFocused:
     case kColorId_TableSelectionBackgroundUnfocused:
     case kColorId_TreeSelectionBackgroundFocused:
     case kColorId_TreeSelectionBackgroundUnfocused:
       return GetBgColor(GetTree(), SELECTED);
-    case kColorId_TreeArrow:
-      return GetFgColor(GetTree(), NORMAL);
     case kColorId_TableGroupingIndicatorColor:
       return GetTextAAColor(GetTree(), NORMAL);
 
     // Table Headers
     case kColorId_TableHeaderText:
       return GetTextColor(GetTree(), NORMAL);
     case kColorId_TableHeaderBackground:
       return GetBgColor(GetTree(), NORMAL);
     case kColorId_TableHeaderSeparator:
       return GetFgColor(GetSeparator(), INSENSITIVE);
@@ skipping 184 matching lines @@
 GtkWidget* NativeThemeGtk2::GetSeparator() const {
   static GtkWidget* fake_separator = NULL;
 
   if (!fake_separator)
     fake_separator = gtk_hseparator_new();
 
   return fake_separator;
 }
 
 }  // namespace libgtkui