Revert of Remove invert viewport scroll order setting from Blink

components/html_viewer/blink_settings_impl.cc

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "components/html_viewer/blink_settings_impl.h"
 
 #include "base/command_line.h"
 #include "components/html_viewer/web_preferences.h"
 #include "third_party/WebKit/public/platform/WebString.h"
 #include "third_party/WebKit/public/web/WebNetworkStateNotifier.h"
@@ skipping 278 matching lines @@
       prefs.image_color_profiles_enabled);
   settings->setShouldRespectImageOrientation(
       prefs.should_respect_image_orientation);
 
   settings->setUnsafePluginPastingEnabled(false);
   settings->setEditingBehavior(
       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);
   settings->setViewportMetaEnabled(prefs.viewport_meta_enabled);
   settings->setMainFrameResizesAreOrientationChanges(
       prefs.main_frame_resizes_are_orientation_changes);
 
   settings->setSmartInsertDeleteEnabled(prefs.smart_insert_delete_enabled);
 
   settings->setSpatialNavigationEnabled(prefs.spatial_navigation_enabled);
 
@@ skipping 103 matching lines @@
   experimental_webgl_enabled_ = !command_line->HasSwitch(kDisableWebGLSwitch);
 }
 
 void BlinkSettingsImpl::ApplySettingsToWebView(blink::WebView* view) const {
   WebPreferences prefs;
   ApplySettings(view, prefs);
   ApplyFontRendereringSettings();
 }
 
 }  // namespace html_viewer