Shows snackbar in translate infobar, after certain user actions.

chrome/browser/ui/android/snackbars/translate_snackbar.h

Index: chrome/browser/ui/android/snackbars/translate_snackbar.h
diff --git a/chrome/browser/ui/android/snackbars/translate_snackbar.h b/chrome/browser/ui/android/snackbars/translate_snackbar.h
new file mode 100644
index 0000000000000000000000000000000000000000..dce8499780c7338cc413aa3a58b494ff03d57e8f
--- /dev/null
+++ b/chrome/browser/ui/android/snackbars/translate_snackbar.h
@@ -0,0 +1,30 @@
+// 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_