AndroidOverlay implementation using Dialog.

content/public/android/java/src/org/chromium/content/browser/framehost/RenderFrameHostImpl.java

 // Copyright 2017 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.
 
 package org.chromium.content.browser.framehost;
 
+import org.chromium.base.UnguessableToken;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
 import org.chromium.content_public.browser.RenderFrameHost;
 
 /**
  * The RenderFrameHostImpl Java wrapper to allow communicating with the native RenderFrameHost
  * object.
  */
 @JNINamespace("content")
 public class RenderFrameHostImpl implements RenderFrameHost {
@@ skipping 39 matching lines @@
      * Returns whether we're in incognito mode.
      *
      * TODO(timloh): This function shouldn't really be on here. If we end up
      * needing more logic from the native BrowserContext, we should add a
      * wrapper for that and move this function there.
      */
     public boolean isIncognito() {
         return mIncognito;
     }
 
+    @Override
+    public UnguessableToken getAndroidOverlayRoutingToken() {
+        if (mNativeRenderFrameHostAndroid == 0) return null;
+        return nativeGetAndroidOverlayRoutingToken(mNativeRenderFrameHostAndroid);
+    }
+
     private native String nativeGetLastCommittedURL(long nativeRenderFrameHostAndroid);
+    private native UnguessableToken nativeGetAndroidOverlayRoutingToken(
+            long nativeRenderFrameHostAndroid);
 }