Upstream various ios/web utilities and helpers

ios/web/web_state/blocked_popup_info.h

Index: ios/web/web_state/blocked_popup_info.h
diff --git a/ios/web/web_state/blocked_popup_info.h b/ios/web/web_state/blocked_popup_info.h
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+// Copyright 2014 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 IOS_WEB_WEB_STATE_BLOCKED_POPUP_INFO_H_
+#define IOS_WEB_WEB_STATE_BLOCKED_POPUP_INFO_H_
+
+#import <Foundation/Foundation.h>
+
+#include "base/ios/block_types.h"
+#include "base/mac/scoped_nsobject.h"
+#include "ios/web/public/referrer.h"
+#include "url/gurl.h"
+
+namespace web {
+
+// Contain all information related to a blocked popup.
+// TODO(eugenebut): rename to BlockedPopup as it's not an info object anymore.
+class BlockedPopupInfo {
+ public:
+  BlockedPopupInfo(const GURL& url,
+                   const Referrer& referrer,
+                   NSString* window_name,
+                   ProceduralBlock show_popup_handler);
+  ~BlockedPopupInfo();
+
+  // Returns the URL of the popup that was blocked.
+  const GURL& url() const { return url_; }
+  // Returns the Referrer of the URL that was blocked.
+  const Referrer& referrer() const { return referrer_; }
+  // Returns the window name of the popup that was blocked.
+  NSString* window_name() const { return window_name_; }
+  // Allows the popup by opening the blocked popup window.
+  void ShowPopup() const;
+
+  BlockedPopupInfo(const BlockedPopupInfo& blocked_popup_info);
+  void operator=(const BlockedPopupInfo& blocked_popup_info);
+ private:
+  GURL url_;
+  Referrer referrer_;
+  base::scoped_nsobject<NSString> window_name_;
+  ProceduralBlock show_popup_handler_;
+};
+
+}  // namespace web
+
+#endif // IOS_WEB_WEB_STATE_BLOCKED_POPUP_INFO_H_