[Android WebView] Add an API to toggle the JS navigator.online property

android_webview/native/aw_contents.cc

 // Copyright 2012 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_contents.h"
 
 #include "android_webview/browser/aw_browser_context.h"
 #include "android_webview/browser/aw_browser_main_parts.h"
 #include "android_webview/browser/gpu_memory_buffer_factory_impl.h"
 #include "android_webview/browser/in_process_view_renderer.h"
@@ skipping 762 matching lines @@
   return reinterpret_cast<jint>(new AwPicture(
       browser_view_renderer_->CapturePicture(width, height)));
 }
 
 void AwContents::EnableOnNewPicture(JNIEnv* env,
                                     jobject obj,
                                     jboolean enabled) {
   browser_view_renderer_->EnableOnNewPicture(enabled);
 }
 
+void AwContents::SetJsOnlineProperty(JNIEnv* env,
+                                     jobject obj,
+                                     jboolean network_up) {
+  render_view_host_ext_->SetJsOnlineProperty(network_up);
+}
+
 }  // namespace android_webview