[Android WebView] Inform ContentViewCore about double tap support status

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 269 matching lines @@
   web_prefs->application_cache_enabled =
       Java_AwSettings_getAppCacheEnabledLocked(env, obj);
 
   web_prefs->local_storage_enabled =
       Java_AwSettings_getDomStorageEnabledLocked(env, obj);
 
   web_prefs->databases_enabled =
       Java_AwSettings_getDatabaseEnabledLocked(env, obj);
 
   web_prefs->wide_viewport_quirk = true;
-  web_prefs->double_tap_to_zoom_enabled = web_prefs->use_wide_viewport =
+  web_prefs->use_wide_viewport =
       Java_AwSettings_getUseWideViewportLocked(env, obj);
 
+  web_prefs->double_tap_to_zoom_enabled =
+      Java_AwSettings_supportsDoubleTapZoomLocked(env, obj);
+
   web_prefs->initialize_at_minimum_page_scale =
       Java_AwSettings_getLoadWithOverviewModeLocked(env, obj);
 
   web_prefs->user_gesture_required_for_media_playback =
       Java_AwSettings_getMediaPlaybackRequiresUserGestureLocked(env, obj);
 
   ScopedJavaLocalRef<jstring> url =
       Java_AwSettings_getDefaultVideoPosterURLLocked(env, obj);
   web_prefs->default_video_poster_url = url.obj() ?
       GURL(ConvertJavaStringToUTF8(url)) : GURL();
@@ skipping 31 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