Remove the old Web Notification code-path (Chromium)

content/renderer/notification_icon_loader.h

-// 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 CONTENT_RENDERER_NOTIFICATION_ICON_LOADER_H_
-#define CONTENT_RENDERER_NOTIFICATION_ICON_LOADER_H_
-
-#include <vector>
-
-#include "base/callback.h"
-#include "base/memory/scoped_ptr.h"
-#include "third_party/WebKit/public/platform/WebURLLoaderClient.h"
-
-class SkBitmap;
-
-namespace blink {
-class WebURL;
-struct WebURLError;
-class WebURLLoader;
-}
-
-namespace content {
-
-// Downloads the icon associated with a notification and decodes the received
-// image. This must be completed before notifications are shown to the user.
-// Icon downloaders must not be re-used for multiple notifications or icons.
-class NotificationIconLoader : public blink::WebURLLoaderClient {
-  typedef base::Callback<void(int, const SkBitmap&)> DownloadCompletedCallback;
-
- public:
-  NotificationIconLoader(int notification_id,
-                 const DownloadCompletedCallback& callback);
-
-  virtual ~NotificationIconLoader();
-
-  // Downloads the notification's image and invokes the callback with the
-  // decoded SkBitmap when the download has succeeded, or with an empty SkBitmap
-  // in case the download has failed.
-  void Start(const blink::WebURL& icon_url);
-
-  // Cancels the current image download. The callback will not be invoked.
-  void Cancel();
-
-  // blink::WebURLLoaderClient implementation.
-  virtual void didReceiveData(blink::WebURLLoader* loader,
-                              const char* data,
-                              int data_length,
-                              int encoded_data_length);
-  virtual void didFinishLoading(blink::WebURLLoader* loader,
-                                double finish_time,
-                                int64_t total_encoded_data_length);
-  virtual void didFail(blink::WebURLLoader* loader,
-                       const blink::WebURLError& error);
-
-  int notification_id() const {
-    return notification_id_;
-  }
-
- private:
-  int notification_id_;
-  DownloadCompletedCallback callback_;
-
-  scoped_ptr<blink::WebURLLoader> loader_;
-  bool completed_;
-
-  std::vector<uint8_t> buffer_;
-
-  DISALLOW_COPY_AND_ASSIGN(NotificationIconLoader);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_NOTIFICATION_ICON_LOADER_H_