Factor more colors into NativeTheme.

ui/gfx/native_theme.h

 // 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.
 
 #ifndef UI_GFX_NATIVE_THEME_H_
 #define UI_GFX_NATIVE_THEME_H_
 #pragma once
 
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/ui_export.h"
@@ skipping 198 matching lines @@
                      const gfx::Rect& rect,
                      const ExtraParams& extra) const = 0;
 
   // Supports theme specific colors.
   void SetScrollbarColors(unsigned inactive_color,
                           unsigned active_color,
                           unsigned track_color) const;
 
   // Colors for GetSystemColor().
   enum ColorId {
+    // Dialogs
     kColorId_DialogBackground,
+    // FocusableBorder
     kColorId_FocusedBorderColor,
-    kColorId_UnfocusedBorderColor
+    kColorId_UnfocusedBorderColor,
+    // TextButton
+    kColorId_TextButtonBackgroundColor,
+    kColorId_TextButtonEnabledColor,
+    kColorId_TextButtonDisabledColor,
+    kColorId_TextButtonHighlightColor,
+    kColorId_TextButtonHoverColor,
+    // MenuItem
+    kColorId_EnabledMenuItemForegroundColor,
+    kColorId_DisabledMenuItemForegroundColor,
+    kColorId_FocusedMenuItemBackgroundColor
     // TODO(benrg): move other hardcoded colors here.
   };
 
   // Return a color from the system theme.
   virtual SkColor GetSystemColor(ColorId color_id) const = 0;
 
   // Returns a shared instance of the native theme.
   // The returned object should not be deleted by the caller.  This function
   // is not thread safe and should only be called from the UI thread.
   // Each port of NativeTheme should provide its own implementation of this
   // function, returning the port's subclass.
   static const NativeTheme* instance();
 
  protected:
   NativeTheme() {}
   virtual ~NativeTheme() {}
 
   static unsigned int thumb_inactive_color_;
   static unsigned int thumb_active_color_;
   static unsigned int track_color_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeTheme);
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_NATIVE_THEME_H_