AndroidOverlay implementation using Dialog.

content/browser/frame_host/render_frame_host_android.h

 // 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.
 
 #ifndef CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_ANDROID_H_
 #define CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_ANDROID_H_
 
 #include <jni.h>
 
 #include <memory>
@@ skipping 20 matching lines @@
   explicit RenderFrameHostAndroid(RenderFrameHostImpl* render_frame_host);
   ~RenderFrameHostAndroid() override;
 
   base::android::ScopedJavaLocalRef<jobject> GetJavaObject();
 
   // Methods called from Java
   base::android::ScopedJavaLocalRef<jstring> GetLastCommittedURL(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>&) const;
 
+  // Returns UnguessableToken.
+  base::android::ScopedJavaLocalRef<jobject> GetAndroidOverlayRoutingToken(
+      JNIEnv* env,
+      const base::android::JavaParamRef<jobject>&) const;
+
  private:
   RenderFrameHostImpl* const render_frame_host_;
   JavaObjectWeakGlobalRef obj_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameHostAndroid);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_RENDER_FRAME_HOST_ANDROID_H_