++

lib/ui/painting/image_decoder_unittests.cc

@@ -144,6 +144,10 @@ class TestImpellerContext : public impeller::Context {
     return nullptr;
   }
 
+  void DidAcquireSurfaceFrame() const override {}
+
+  void DidFinishSurfaceFrame() const override {}
+
   void Shutdown() override {}
 
   mutable size_t command_buffer_count_ = 0;