Compute the popup location/size correctly when use-zoom-for-dsf is enabled.

components/html_viewer/web_test_delegate_impl.cc

Index: components/html_viewer/web_test_delegate_impl.cc
diff --git a/components/html_viewer/web_test_delegate_impl.cc b/components/html_viewer/web_test_delegate_impl.cc
index 1645fd016646acc4f6d4059e48976907f0f02471..85dc03cff61c29ba07b5c53cafdd848d11160098 100644
--- a/components/html_viewer/web_test_delegate_impl.cc
+++ b/components/html_viewer/web_test_delegate_impl.cc
@@ -197,6 +197,10 @@ void WebTestDelegateImpl::SetDeviceScaleFactor(float factor) {
   NOTIMPLEMENTED();
 }
 
+void WebTestDelegateImpl::EnableUseZoomForDSF() {
+  NOTIMPLEMENTED();
+}
+
 void WebTestDelegateImpl::SetDeviceColorProfile(const std::string& name) {
   NOTIMPLEMENTED();
 }