Revert of Remove invert viewport scroll order setting from Blink

components/html_viewer/blink_settings_impl.cc

Index: components/html_viewer/blink_settings_impl.cc
diff --git a/components/html_viewer/blink_settings_impl.cc b/components/html_viewer/blink_settings_impl.cc
index fbe281917871109ee64346239ac5c0a2657bde6b..a2b31800ff0982228d58900170b0a7103bbfa8b3 100644
--- a/components/html_viewer/blink_settings_impl.cc
+++ b/components/html_viewer/blink_settings_impl.cc
@@ -295,6 +295,9 @@
       static_cast<blink::WebSettings::EditingBehavior>(prefs.editing_behavior));
 
   settings->setSupportsMultipleWindows(prefs.supports_multiple_windows);
+
+  // TODO(bokan): Remove once Blink side is gone.
+  settings->setInvertViewportScrollOrder(true);
 
   settings->setViewportEnabled(prefs.viewport_enabled);
   settings->setLoadWithOverviewMode(prefs.initialize_at_minimum_page_scale);