Native themes: Add separator color

chrome/browser/ui/libgtkui/native_theme_gtk3.cc

 // Copyright 2016 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_gtk3.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 117 matching lines @@
         SkColor ret_color = SkColorSetRGB(color->red / 255, color->green / 255,
                                           color->blue / 255);
         gdk_color_free(color);
         return ret_color;
       } else {
         // Default color comes from gtklinkbutton.c.
         return SkColorSetRGB(0x00, 0x00, 0xEE);
       }
     }
 
+    // Separator
+    case ui::NativeTheme::kColorId_SeparatorColor:
+      return GetFgColor("GtkSeparator#separator.horizontal");
+
     // Button
     case ui::NativeTheme::kColorId_ButtonEnabledColor:
       return GetFgColor("GtkButton#button.text-button GtkLabel#label");
     case ui::NativeTheme::kColorId_ButtonDisabledColor:
       return GetFgColor("GtkButton#button.text-button:disabled GtkLabel#label");
     case ui::NativeTheme::kColorId_ButtonHoverColor:
       return GetFgColor("GtkButton#button.text-button:hover GtkLabel#label");
     case ui::NativeTheme::kColorId_ButtonPressedShade:
       return SK_ColorTRANSPARENT;
 
@@ skipping 166 matching lines @@
   g_type_class_unref(g_type_class_ref(gtk_link_button_get_type()));
   g_type_class_unref(g_type_class_ref(gtk_spinner_get_type()));
   g_type_class_unref(g_type_class_ref(gtk_menu_get_type()));
   g_type_class_unref(g_type_class_ref(gtk_menu_item_get_type()));
   g_type_class_unref(g_type_class_ref(gtk_entry_get_type()));
   g_type_class_unref(g_type_class_ref(gtk_info_bar_get_type()));
   g_type_class_unref(g_type_class_ref(gtk_tooltip_get_type()));
   g_type_class_unref(g_type_class_ref(gtk_scrollbar_get_type()));
   g_type_class_unref(g_type_class_ref(gtk_toolbar_get_type()));
   g_type_class_unref(g_type_class_ref(gtk_text_view_get_type()));
+  g_type_class_unref(g_type_class_ref(gtk_separator_get_type()));
 
   g_signal_connect_after(gtk_settings_get_default(), "notify::gtk-theme-name",
                          G_CALLBACK(OnThemeChanged), this);
 }
 
 // This doesn't actually get called
 NativeThemeGtk3::~NativeThemeGtk3() {}
 
 void NativeThemeGtk3::ResetColorCache() {
   for (auto& color : color_cache_)
@@ skipping 19 matching lines @@
 void NativeThemeGtk3::PaintMenuItemBackground(
     SkCanvas* canvas,
     State state,
     const gfx::Rect& rect,
     const MenuItemExtraParams& menu_item) const {
   PaintWidget(canvas, rect, "GtkMenu#menu GtkMenuItem#menuitem",
               StateToStateFlags(state));
 }
 
 }  // namespace libgtkui