Remove testRunner.displayAsync() and displayAsyncThen()

content/shell/renderer/test_runner/web_test_proxy.h

Index: content/shell/renderer/test_runner/web_test_proxy.h
diff --git a/content/shell/renderer/test_runner/web_test_proxy.h b/content/shell/renderer/test_runner/web_test_proxy.h
index ab93ad40c61e2a170c7024147ea1c9965cd858e9..8d6bea88e8622d8131f51927dfc076a52ae4e885 100644
--- a/content/shell/renderer/test_runner/web_test_proxy.h
+++ b/content/shell/renderer/test_runner/web_test_proxy.h
@@ -123,7 +123,6 @@ class WebTestProxyBase {
   bool IsChooserShown();
 
   void LayoutAndPaintAsyncThen(const base::Closure& callback);
-  void DisplayAsyncThen(const base::Closure& callback);
 
   void GetScreenOrientationForTesting(blink::WebScreenInfo&);
   MockScreenOrientationClient* GetScreenOrientationClientMock();
@@ -245,7 +244,6 @@ class WebTestProxyBase {
   void DidCapturePixelsAsync(
       const base::Callback<void(const SkBitmap&)>& callback,
       const SkBitmap& bitmap);
-  void DidDisplayAsync(const base::Closure& callback, const SkBitmap& bitmap);
 
   blink::WebWidget* web_widget() const { return web_widget_; }