diff -r 000000000000 -r 6474c204b198 widget/gtk/nsNativeThemeGTK.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widget/gtk/nsNativeThemeGTK.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,80 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsITheme.h"
+#include "nsCOMPtr.h"
+#include "nsIAtom.h"
+#include "nsIObserver.h"
+#include "nsNativeTheme.h"
+
+#include <gtk/gtk.h>
+#include "gtkdrawing.h"
+
+class nsNativeThemeGTK: private nsNativeTheme,
+                        public nsITheme,
+                        public nsIObserver {
+public:
+  NS_DECL_ISUPPORTS_INHERITED
+
+  NS_DECL_NSIOBSERVER
+
+  // The nsITheme interface.
+  NS_IMETHOD DrawWidgetBackground(nsRenderingContext* aContext,
+                                  nsIFrame* aFrame, uint8_t aWidgetType,
+                                  const nsRect& aRect,
+                                  const nsRect& aDirtyRect);
+
+  NS_IMETHOD GetWidgetBorder(nsDeviceContext* aContext, nsIFrame* aFrame,
+                             uint8_t aWidgetType, nsIntMargin* aResult);
+
+  virtual NS_HIDDEN_(bool) GetWidgetPadding(nsDeviceContext* aContext,
+                                              nsIFrame* aFrame,
+                                              uint8_t aWidgetType,
+                                              nsIntMargin* aResult);
+
+  virtual NS_HIDDEN_(bool) GetWidgetOverflow(nsDeviceContext* aContext,
+                                               nsIFrame* aFrame,
+                                               uint8_t aWidgetType,
+                                               nsRect* aOverflowRect);
+
+  NS_IMETHOD GetMinimumWidgetSize(nsRenderingContext* aContext,
+                                  nsIFrame* aFrame, uint8_t aWidgetType,
+                                  nsIntSize* aResult, bool* aIsOverridable);
+
+  NS_IMETHOD WidgetStateChanged(nsIFrame* aFrame, uint8_t aWidgetType, 
+                                nsIAtom* aAttribute, bool* aShouldRepaint);
+
+  NS_IMETHOD ThemeChanged();
+
+  NS_IMETHOD_(bool) ThemeSupportsWidget(nsPresContext* aPresContext,
+                                          nsIFrame* aFrame,
+                                          uint8_t aWidgetType);
+
+  NS_IMETHOD_(bool) WidgetIsContainer(uint8_t aWidgetType);
+  
+  NS_IMETHOD_(bool) ThemeDrawsFocusForWidget(uint8_t aWidgetType) MOZ_OVERRIDE;
+
+  bool ThemeNeedsComboboxDropmarker();
+
+  virtual Transparency GetWidgetTransparency(nsIFrame* aFrame,
+                                             uint8_t aWidgetType);
+
+  nsNativeThemeGTK();
+  virtual ~nsNativeThemeGTK();
+
+private:
+  gint GetTabMarginPixels(nsIFrame* aFrame);
+  bool GetGtkWidgetAndState(uint8_t aWidgetType, nsIFrame* aFrame,
+                              GtkThemeWidgetType& aGtkWidgetType,
+                              GtkWidgetState* aState, gint* aWidgetFlags);
+  bool GetExtraSizeForWidget(nsIFrame* aFrame, uint8_t aWidgetType,
+                               nsIntMargin* aExtra);
+
+  void RefreshWidgetWindow(nsIFrame* aFrame);
+
+  uint8_t mDisabledWidgetTypes[32];
+  uint8_t mSafeWidgetStates[1024];    // 256 widgets * 32 bits per widget
+  static const char* sDisabledEngines[];
+};