cc: Make scheduling be driven by vsync for android webview.

content/public/test/test_synchronous_compositor_android.h

Index: content/public/test/test_synchronous_compositor_android.h
diff --git a/content/public/test/test_synchronous_compositor_android.h b/content/public/test/test_synchronous_compositor_android.h
index a3d317722baaf38d470e2f30f8d67b9f6cd6cfa6..ea8982a4900cd2b3af26e42e647a058d1629b6b5 100644
--- a/content/public/test/test_synchronous_compositor_android.h
+++ b/content/public/test/test_synchronous_compositor_android.h
@@ -31,6 +31,7 @@ class CONTENT_EXPORT TestSynchronousCompositor : public SynchronousCompositor {
   bool DemandDrawSw(SkCanvas* canvas) override;
   void SetMemoryPolicy(size_t bytes_limit) override;
   void DidChangeRootLayerScrollOffset() override {}
+  void SetIsActive(bool is_active) override {}
 
  private:
   SynchronousCompositorClient* client_;