AndroidOverlay implementation using Dialog.

content/browser/frame_host/render_frame_host_android.cc

Index: content/browser/frame_host/render_frame_host_android.cc
diff --git a/content/browser/frame_host/render_frame_host_android.cc b/content/browser/frame_host/render_frame_host_android.cc
index fd68c5e5a0e8226f5b2133d4952fa7900284c2db..1b76c1a38e42c1cc0f918ac33bc8ff75dc621d0d 100644
--- a/content/browser/frame_host/render_frame_host_android.cc
+++ b/content/browser/frame_host/render_frame_host_android.cc
@@ -5,6 +5,7 @@
 #include "content/browser/frame_host/render_frame_host_android.h"
 
 #include "base/android/jni_string.h"
+#include "base/android/unguessable_token_android.h"
 #include "base/logging.h"
 #include "content/browser/frame_host/render_frame_host_delegate.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
@@ -61,4 +62,12 @@ ScopedJavaLocalRef<jstring> RenderFrameHostAndroid::GetLastCommittedURL(
       env, render_frame_host_->GetLastCommittedURL().spec());
 }
 
+ScopedJavaLocalRef<jobject>
+RenderFrameHostAndroid::GetAndroidOverlayRoutingToken(
+    JNIEnv* env,
+    const JavaParamRef<jobject>& obj) const {
+  return base::android::UnguessableTokenAndroid::Create(
+      env, render_frame_host_->GetOverlayRoutingToken());
+}
+
 }  // namespace content