Unit Test for WebView animating in and out of screen

android_webview/browser/test/rendering_test.h

Index: android_webview/browser/test/rendering_test.h
diff --git a/android_webview/browser/test/rendering_test.h b/android_webview/browser/test/rendering_test.h
index d26b1392ebaf22b657a3afeec55ff2929eecd04d..b56280a0c371fee93753fdde4fbe96e12d7863ed 100644
--- a/android_webview/browser/test/rendering_test.h
+++ b/android_webview/browser/test/rendering_test.h
@@ -50,8 +50,10 @@ class RenderingTest : public testing::Test,
   void DidSyncOnRT(SharedRendererState* functor) override {}
   void WillProcessOnRT(SharedRendererState* functor) override {}
   void DidProcessOnRT(SharedRendererState* functor) override {}
-  void WillDrawOnRT(SharedRendererState* functor) override {}
+  void SetParentDrawConstraints(AwDrawGLInfo& draw_info) override;
+  bool WillDrawOnRT(SharedRendererState* functor) override;
   void DidDrawOnRT(SharedRendererState* functor) override {}
+  bool WillWaitForModeDrawToFinish() override;
 
  protected:
   RenderingTest();