1 files changed, 18 insertions, 2 deletions
diff --git a/chromium/content/child/webthemeengine_impl_mac.h b/chromium/content/child/webthemeengine_impl_mac.h
index 81f1d06b1f7..f2f232388d5 100644
--- a/chromium/content/child/webthemeengine_impl_mac.h
+++ b/chromium/content/child/webthemeengine_impl_mac.h
@@ -5,17 +5,33 @@
 #ifndef CONTENT_CHILD_WEBTHEMEENGINE_IMPL_MAC_H_
 #define CONTENT_CHILD_WEBTHEMEENGINE_IMPL_MAC_H_
 
-#include "third_party/blink/public/platform/web_theme_engine.h"
+#include "content/child/webthemeengine_impl_default.h"
 
 namespace content {
 
-class WebThemeEngineMac : public blink::WebThemeEngine {
+class WebThemeEngineMac : public WebThemeEngineDefault {
  public:
   ~WebThemeEngineMac() override {}
 
   blink::ForcedColors GetForcedColors() const override;
   void SetForcedColors(const blink::ForcedColors forced_colors) override;
 
+  void Paint(cc::PaintCanvas* canvas,
+             blink::WebThemeEngine::Part part,
+             blink::WebThemeEngine::State state,
+             const blink::WebRect& rect,
+             const blink::WebThemeEngine::ExtraParams* extra_params,
+             blink::WebColorScheme color_scheme) override;
+
+  static bool IsScrollbarPart(WebThemeEngine::Part part);
+  static void PaintMacScrollBarParts(
+      cc::PaintCanvas* canvas,
+      WebThemeEngine::Part part,
+      WebThemeEngine::State state,
+      const blink::WebRect& rect,
+      const WebThemeEngine::ExtraParams* extra_params,
+      blink::WebColorScheme color_scheme);
+
  private:
   blink::ForcedColors forced_colors_ = blink::ForcedColors::kNone;
 };