Moves translate snackbar functionality to Android side.

chrome/browser/ui/android/snackbars/translate_snackbar.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 CHROME_BROWSER_UI_ANDROID_SNACKBARS_TRANSLATE_SNACKBAR_H_
-#define CHROME_BROWSER_UI_ANDROID_SNACKBARS_TRANSLATE_SNACKBAR_H_
-
-#include <stddef.h>
-
-#include "base/android/jni_android.h"
-#include "base/android/scoped_java_ref.h"
-#include "base/macros.h"
-
-class TranslateSnackbar {
- public:
-  explicit TranslateSnackbar(int snackbar_type);
-
-  void ToggleTranslateOption(JNIEnv* env,
-                             const base::android::JavaParamRef<jobject>& obj);
-
- private:
-  int type_;
-
-  DISALLOW_COPY_AND_ASSIGN(TranslateSnackbar);
-};
-
-// Registers the native methods through JNI.
-bool RegisterTranslateSnackbar(JNIEnv* env);
-
-#endif  // CHROME_BROWSER_UI_ANDROID_SNACKBARS_TRANSLATE_SNACKBAR_H_