Set BrowserCompositorOutputSurface's vsync parameters on mac

ash/sysui/stub_context_factory.h

Index: ash/sysui/stub_context_factory.h
diff --git a/ash/sysui/stub_context_factory.h b/ash/sysui/stub_context_factory.h
index ec3aa9f16d1294fbee03071b87ec0580a5451d2f..e3b1f6c16e0ac856832440e85d152d3c47449a1a 100644
--- a/ash/sysui/stub_context_factory.h
+++ b/ash/sysui/stub_context_factory.h
@@ -45,6 +45,9 @@ class StubContextFactory : public ui::ContextFactory {
                             const gfx::ColorSpace& color_space) override;
   void SetAuthoritativeVSyncInterval(ui::Compositor* compositor,
                                      base::TimeDelta interval) override {}
+  void SetDisplayVSyncParameters(ui::Compositor* compositor,
+                                 base::TimeTicks timebase,
+                                 base::TimeDelta interval) override {}
   void SetOutputIsSecure(ui::Compositor* compositor, bool secure) override {}
   void AddObserver(ui::ContextFactoryObserver* observer) override {}
   void RemoveObserver(ui::ContextFactoryObserver* observer) override {}