Permissions: Add new Infobar to support grouped permission requests on Android

chrome/browser/permissions/grouped_permission_infobar_delegate.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_PERMISSIONS_GROUPED_PERMISSION_INFOBAR_DELEGATE_H_
+#define CHROME_BROWSER_PERMISSIONS_GROUPED_PERMISSION_INFOBAR_DELEGATE_H_
+
+#include <memory>
+
+#include "base/callback.h"
+#include "components/content_settings/core/common/content_settings_types.h"
+#include "components/infobars/core/confirm_infobar_delegate.h"
+
+class GURL;
+class InfoBarService;
+
+namespace infobars {
+class InfoBarManager;
+}
+
+// Configures an InfoBar to display a group of permission requests, each of
+// which can be allowed or blocked independently.
+// TODO(tsergeant): Expand this class so it can be used without subclassing.
+class GroupedPermissionInfoBarDelegate : public ConfirmInfoBarDelegate {
+ public:
+  // Implementation is in platform-specific infobar file.
+  static std::unique_ptr<infobars::InfoBar> CreateInfoBar(
+      infobars::InfoBarManager* infobar_manager,
+      std::unique_ptr<GroupedPermissionInfoBarDelegate> delegate);
+
+  GroupedPermissionInfoBarDelegate(
+      const GURL& requesting_origin,
+      const std::vector<ContentSettingsType>& types);
+  ~GroupedPermissionInfoBarDelegate() override;
+
+  // Message text that displays at the top of the infobar.
+  base::string16 GetMessageText() const override;
+
+  int GetPermissionCount() const;
+  ContentSettingsType GetContentSettingType(int index) const;
+  int GetIconIdForPermission(int index) const;
+  // Message text to display for an individual permission at |index|.
+  base::string16 GetMessageTextFragment(int index) const;
+
+ private:
+  // ConfirmInfoBarDelegate:
+  base::string16 GetButtonLabel(InfoBarButton button) const override;
+
+  // InfoBarDelegate:
+  Type GetInfoBarType() const override;
+
+  const GURL requesting_origin_;
+  const std::vector<ContentSettingsType> types_;
+
+  DISALLOW_COPY_AND_ASSIGN(GroupedPermissionInfoBarDelegate);
+};
+
+#endif  // CHROME_BROWSER_PERMISSIONS_GROUPED_PERMISSION_INFOBAR_DELEGATE_H_