Revert of Add Java wrapper for RenderFrameHost

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>
-
-#include "base/android/jni_android.h"
-#include "base/android/jni_weak_ref.h"
-#include "base/android/scoped_java_ref.h"
-#include "base/compiler_specific.h"
-#include "base/macros.h"
-#include "base/supports_user_data.h"
-#include "content/common/content_export.h"
-
-namespace content {
-
-class RenderFrameHostImpl;
-
-// Android wrapper around RenderFrameHost that provides safer passage from java
-// and back to native and provides java with a means of communicating with its
-// native counterpart.
-class RenderFrameHostAndroid : public base::SupportsUserData::Data {
- public:
-  static bool Register(JNIEnv* env);
-
-  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;
-
- 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_