Gtk3: Fix link color in 3.12 and later

chrome/browser/ui/libgtkui/gtk_util.cc

 // Copyright (c) 2012 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/gtk_util.h"
 
 #include <dlfcn.h>
 #include <gdk/gdk.h>
 #include <gdk/gdkx.h>
 #include <gtk/gtk.h>
@@ skipping 226 matching lines @@
     const char* name;
     GtkStateFlags state_flag;
   } pseudo_classes[] = {
       {"active", GTK_STATE_FLAG_ACTIVE},
       {"hover", GTK_STATE_FLAG_PRELIGHT},
       {"selected", GTK_STATE_FLAG_SELECTED},
       {"disabled", GTK_STATE_FLAG_INSENSITIVE},
       {"indeterminate", GTK_STATE_FLAG_INCONSISTENT},
       {"focus", GTK_STATE_FLAG_FOCUSED},
       {"backdrop", GTK_STATE_FLAG_BACKDROP},
-      // TODO(thomasanderson): These state flags are only available in
-      // GTK 3.10 or later, which is unavailable in the wheezy
-      // sysroot.  Add them once the sysroot is updated to jessie.
-      // { "link",          GTK_STATE_FLAG_LINK },
-      // { "visited",       GTK_STATE_FLAG_VISITED },
-      // { "checked",       GTK_STATE_FLAG_CHECKED },
+      {"link", GTK_STATE_FLAG_LINK},
+      {"visited", GTK_STATE_FLAG_VISITED},
+      {"checked", GTK_STATE_FLAG_CHECKED},
   };
   GtkStateFlags state =
       context ? gtk_style_context_get_state(context) : GTK_STATE_FLAG_NORMAL;
   base::StringTokenizer t(css_node, ".:#");
   t.set_options(base::StringTokenizer::RETURN_DELIMS);
   while (t.GetNext()) {
     if (t.token_is_delim()) {
       if (t.token_begin() == css_node.begin()) {
         // Special case for the first token.
         gtk_widget_path_append_type(path, G_TYPE_NONE);
@@ skipping 194 matching lines @@
 
   AddBorders(context);
   PixelSurface surface;
   RenderBackground(surface.cairo(), context);
   gtk_render_frame(context, surface.cairo(), 0, 0, 1, 1);
   return surface.GetPixelValue();
 }
 #endif
 
 }  // namespace libgtkui