permissions: remove PermissionQueueController and introduce PermissionInfoBarManager

chrome/browser/permissions/permission_infobar_request.h

+// Copyright 2015 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_PERMISSION_INFOBAR_REQUEST_H_
+#define CHROME_BROWSER_PERMISSIONS_PERMISSION_INFOBAR_REQUEST_H_
+
+#include "base/callback.h"
+#include "base/memory/weak_ptr.h"
+#include "components/content_settings/core/common/content_settings.h"
+#include "url/gurl.h"
+
+namespace infobars {
+class InfoBar;
+} // namespace infobars
+
+class InfoBarService;
+class Profile;
+
+// Represents a permission request which will be displayed using an InfoBar.
+class PermissionInfoBarRequest {
+ public:
+  PermissionInfoBarRequest(
+      const GURL& requesting_origin,
+      const GURL& embedding_origin,
+      const base::Closure& callback);
+  ~PermissionInfoBarRequest();
+
+  void AddPermission(

[mlamouri (slow - plz ping), 2015/09/29 14:02:18]

Here and below, please add comments for these methods.

[Lalit Maganti, 2015/10/01 17:05:14]

Done.

+      const ContentSettingsType type,
+      const base::Callback<void(bool, ContentSetting)>& response_callback);
+
+  bool ShowInfobar(InfoBarService* infobar_service,
+                   Profile* profile);
+
+  void Accept();
+  void Closing();
+  void Cancel();
+
+ private:
+  using PermissionDecidedCallback = base::Callback<void(bool, ContentSetting)>;
+  class PermissionRequest {
+   public:
+    PermissionRequest(ContentSettingsType type,
+                      const PermissionDecidedCallback& response_callback);
+    ~PermissionRequest();
+
+    ContentSettingsType type() const { return type_; }
+    const PermissionDecidedCallback& response_callback() const {
+      return response_callback_;
+    }
+
+   private:
+    ContentSettingsType type_;
+    PermissionDecidedCallback response_callback_;
+  };
+
+  void OnExternalRemoval();
+
+  void OnPermissionSet(bool update_content_setting,
+                       bool allowed);
+
+  void OnPermissionsSet(bool update_content_setting,
+                        const std::vector<ContentSetting>& allowed);
+
+  void PruneAnsweredPermissions(Profile* profile);
+
+  void CreateInfoBar(InfoBarService* infobar_service,
+                     const PermissionRequest& request,
+                     const std::string& display_languages,
+                     const base::Callback<void(bool, bool)>& callback);
+
+  // Owned by InfoBarService.
+  infobars::InfoBar* infobar_;
+
+  GURL requesting_origin_;
+  GURL embedding_origin_;
+  base::Closure callback_;
+  std::vector<PermissionRequest> requests_;
+
+  base::WeakPtrFactory<PermissionInfoBarRequest> weak_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(PermissionInfoBarRequest);
+};
+
+#endif  // CHROME_BROWSER_PERMISSIONS_PERMISSION_INFOBAR_REQUEST_H_