SurfaceAggregator should check whether output is secure when drawin

ui/compositor/test/in_process_context_factory.h

Index: ui/compositor/test/in_process_context_factory.h
diff --git a/ui/compositor/test/in_process_context_factory.h b/ui/compositor/test/in_process_context_factory.h
index 5da3440444ae2a6eb70a0b332b32fb5bd6d12557..c5f724060c0f4c51e1255b11dd60dd0a0e9756ee 100644
--- a/ui/compositor/test/in_process_context_factory.h
+++ b/ui/compositor/test/in_process_context_factory.h
@@ -61,6 +61,7 @@ class InProcessContextFactory : public ContextFactory {
                      const gfx::Size& size) override;
   void SetAuthoritativeVSyncInterval(ui::Compositor* compositor,
                                      base::TimeDelta interval) override {}
+  void SetOutputIsSecure(ui::Compositor* compositor, bool secure) override {}
 
  private:
   scoped_refptr<InProcessContextProvider> shared_main_thread_contexts_;