Native Themes: Add table header colors

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 211 matching lines @@
     case ui::NativeTheme::kColorId_TreeSelectedText:
     case ui::NativeTheme::kColorId_TreeSelectedTextUnfocused:
       return GetFgColor(
           "GtkTreeView#treeview.view .view.cell:selected:focus GtkLabel#label");
     case ui::NativeTheme::kColorId_TableSelectionBackgroundFocused:
     case ui::NativeTheme::kColorId_TableSelectionBackgroundUnfocused:
     case ui::NativeTheme::kColorId_TreeSelectionBackgroundFocused:
     case ui::NativeTheme::kColorId_TreeSelectionBackgroundUnfocused:
       return GetBgColor("GtkTreeView#treeview.view .view.cell:selected:focus");
 
+    // Table Header
+    case ui::NativeTheme::kColorId_TableHeaderText:
+      return GetFgColor(
+          "GtkTreeView#treeview.view GtkButton#button GtkLabel#label");
+    case ui::NativeTheme::kColorId_TableHeaderBackground:
+      return GetBgColor("GtkTreeView#treeview.view GtkButton#button");
+    case ui::NativeTheme::kColorId_TableHeaderSeparator:
+      return GetBorderColor("GtkTreeView#treeview.view GtkButton#button");
+
     // Results Table
     // TODO(thomasanderson): The GtkEntry selectors was how the gtk2 theme got
     // these colors.  Update this code to use a different widget.
     case ui::NativeTheme::kColorId_ResultsTableNormalBackground:
       return GetBgColor("GtkEntry#entry");
     case ui::NativeTheme::kColorId_ResultsTableHoveredBackground:
       return color_utils::AlphaBlend(
           GetBgColor("GtkEntry#entry"),
           GetBgColor("GtkEntry#entry #selection:selected"), 0x80);
     case ui::NativeTheme::kColorId_ResultsTableSelectedBackground:
@@ skipping 123 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