[Android WebView] Wire up Blink's UseLegacyBackgroundSizeShorthandBehavior setting

android_webview/native/aw_settings.cc

 // Copyright (c) 2013 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 "android_webview/native/aw_settings.h"
 
 #include "android_webview/browser/renderer_host/aw_render_view_host_ext.h"
 #include "android_webview/native/aw_contents.h"
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
@@ skipping 185 matching lines @@
       Java_AwSettings_getLoadWithOverviewModeLocked(env, obj);
 
   prefs.user_gesture_required_for_media_playback =
       Java_AwSettings_getMediaPlaybackRequiresUserGestureLocked(env, obj);
 
   ScopedJavaLocalRef<jstring> url =
       Java_AwSettings_getDefaultVideoPosterURLLocked(env, obj);
   prefs.default_video_poster_url = url.obj() ?
       GURL(ConvertJavaStringToUTF8(url)) : GURL();
 
-  prefs.support_deprecated_target_density_dpi =
-      Java_AwSettings_getSupportDeprecatedTargetDensityDPILocked(env, obj);
+  bool support_quirks = Java_AwSettings_getSupportLegacyQuirksLocked(env, obj);
+  prefs.support_deprecated_target_density_dpi = support_quirks;
+  prefs.use_legacy_background_size_shorthand_behavior = support_quirks;
 
   prefs.password_echo_enabled =
       Java_AwSettings_getPasswordEchoEnabled(env, obj);
 
   render_view_host->UpdateWebkitPreferences(prefs);
 }
 
 void AwSettings::UpdateInitialPageScaleLocked(JNIEnv* env, jobject obj) {
   AwRenderViewHostExt* rvhe = GetAwRenderViewHostExt();
   if (!rvhe) return;
@@ skipping 52 matching lines @@
 static jstring GetDefaultUserAgent(JNIEnv* env, jclass clazz) {
   return base::android::ConvertUTF8ToJavaString(
       env, content::GetUserAgent(GURL())).Release();
 }
 
 bool RegisterAwSettings(JNIEnv* env) {
   return RegisterNativesImpl(env) >= 0;
 }
 
 }  // namespace android_webview