Add a feature to display a persistence toggle for permission prompts on Android.

chrome/browser/ui/android/infobars/permission_infobar.h

Index: chrome/browser/ui/android/infobars/permission_infobar.h
diff --git a/chrome/browser/ui/android/infobars/permission_infobar.h b/chrome/browser/ui/android/infobars/permission_infobar.h
new file mode 100644
index 0000000000000000000000000000000000000000..7afd90aa1e85fadc908e0244bd95262feedeffb1
--- /dev/null
+++ b/chrome/browser/ui/android/infobars/permission_infobar.h
@@ -0,0 +1,33 @@
+// Copyright 2016 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_INFOBARS_PERMISSION_INFOBAR_H_
+#define CHROME_BROWSER_UI_ANDROID_INFOBARS_PERMISSION_INFOBAR_H_
+
+#include "base/android/scoped_java_ref.h"
+#include "base/macros.h"
+#include "chrome/browser/ui/android/infobars/confirm_infobar.h"
+
+class PermissionInfobarDelegate;
+
+class PermissionInfoBar : public ConfirmInfoBar {
+ public:
+  explicit PermissionInfoBar(
+      std::unique_ptr<PermissionInfobarDelegate> delegate);
+  ~PermissionInfoBar() override;
+
+ protected:
+  PermissionInfobarDelegate* GetDelegate();
+
+  // InfoBarAndroid overrides.
+  base::android::ScopedJavaLocalRef<jobject> CreateRenderInfoBar(
+      JNIEnv* env) override;
+
+ private:
+  void ProcessButton(int action) override;
+
+  DISALLOW_COPY_AND_ASSIGN(PermissionInfoBar);
+};
+
+#endif  // CHROME_BROWSER_UI_ANDROID_INFOBARS_PERMISSION_INFOBAR_H_