Move chrome/browser/manifest to content/browser.

chrome/browser/manifest/manifest_icon_downloader.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_MANIFEST_MANIFEST_ICON_DOWNLOADER_H_
-#define CHROME_BROWSER_MANIFEST_MANIFEST_ICON_DOWNLOADER_H_
-
-#include <vector>
-
-#include "base/callback_forward.h"
-#include "base/macros.h"
-
-class SkBitmap;
-
-namespace content {
-class WebContents;
-}  // namespace content
-
-namespace gfx {
-class Size;
-}  // namespace gfx
-
-class GURL;
-
-// Helper class which downloads the icon located at a specified. If the icon
-// file contains multiple icons then it attempts to pick the one closest in size
-// bigger than or equal to ideal_icon_size_in_px, taking into account the
-// density of the device. If a bigger icon is chosen then, the icon is scaled
-// down to be equal to ideal_icon_size_in_px. Smaller icons will be chosen down
-// to the value specified by |minimum_icon_size_in_px|.
-class ManifestIconDownloader final {
- public:
-  using IconFetchCallback = base::Callback<void(const SkBitmap&)>;
-
-  ManifestIconDownloader() = delete;
-  ~ManifestIconDownloader() = delete;
-
-  // Returns whether the download has started.
-  // It will return false if the current context or information do not allow to
-  // download the image.
-  static bool Download(content::WebContents* web_contents,
-                       const GURL& icon_url,
-                       int ideal_icon_size_in_px,
-                       int minimum_icon_size_in_px,
-                       const IconFetchCallback& callback);
-
- private:
-  class DevToolsConsoleHelper;
-
-  // Callback run after the manifest icon downloaded successfully or the
-  // download failed.
-  static void OnIconFetched(int ideal_icon_size_in_px,
-                            int minimum_icon_size_in_px,
-                            DevToolsConsoleHelper* console_helper,
-                            const IconFetchCallback& callback,
-                            int id,
-                            int http_status_code,
-                            const GURL& url,
-                            const std::vector<SkBitmap>& bitmaps,
-                            const std::vector<gfx::Size>& sizes);
-
-  static void ScaleIcon(int ideal_icon_size_in_px,
-                        const SkBitmap& bitmap,
-                        const IconFetchCallback& callback);
-
-  static int FindClosestBitmapIndex(int ideal_icon_size_in_px,
-                                    int minimum_icon_size_in_px,
-                                    const std::vector<SkBitmap>& bitmaps);
-
-  friend class ManifestIconDownloaderTest;
-
-  DISALLOW_COPY_AND_ASSIGN(ManifestIconDownloader);
-};
-
-#endif  // CHROME_BROWSER_MANIFEST_MANIFEST_ICON_DOWNLOADER_H_