[sensors] Add Permission guard to the generic sensor apis.

chrome/browser/sensor/sensor_permission_infobar_delegate_android.h

+// 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_SENSOR_SENSOR_PERMISSION_INFOBAR_DELEGATE_ANDROID_H_
+#define CHROME_BROWSER_SENSOR_SENSOR_PERMISSION_INFOBAR_DELEGATE_ANDROID_H_
+
+#include <string>
+
+#include "base/macros.h"
+#include "chrome/browser/permissions/permission_infobar_delegate.h"
+
+// SensorPermissionInfoBarDelegateAndroids are created by the
+// SensorPermissionContext to control the display and handling of Sensor
+// permission
+// infobars to the user.
+class SensorPermissionInfoBarDelegateAndroid
+    : public PermissionInfoBarDelegate {
+ public:
+  SensorPermissionInfoBarDelegateAndroid(const GURL& requesting_frame,
+                                         bool user_gesture,
+                                         Profile* profile,
+                                         const PermissionSetCallback& callback);
+
+ private:
+  ~SensorPermissionInfoBarDelegateAndroid() override;
+
+  // ConfirmInfoBarDelegate:
+  infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
+  int GetIconId() const override;
+  int GetMessageResourceId() const override;
+
+  DISALLOW_COPY_AND_ASSIGN(SensorPermissionInfoBarDelegateAndroid);
+};
+
+#endif  // CHROME_BROWSER_SENSOR_SENSOR_PERMISSION_INFOBAR_DELEGATE_ANDROID_H_