Move chrome/browser/manifest to content/browser.

chrome/browser/manifest/manifest_icon_selector.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_SELECTOR_H_
-#define CHROME_BROWSER_MANIFEST_MANIFEST_ICON_SELECTOR_H_
-
-#include "base/macros.h"
-#include "content/public/common/manifest.h"
-#include "url/gurl.h"
-
-// Selects the square icon with the supported image MIME types and the specified
-// icon purpose that most closely matches the size constraints.
-// This follows very basic heuristics -- improvements are welcome.
-class ManifestIconSelector {
- public:
-  // Runs the algorithm to find the best matching icon in the icons listed in
-  // the Manifest. Size is defined in pixels.
-  //
-  // Any icon returned will be close as possible to |ideal_icon_size_in_px|
-  // with a size not less than |minimum_icon_size_in_px|. Additionally, it must
-  // be square, have supported image MIME types, and have icon purpose
-  // |purpose|.
-  //
-  // Returns the icon url if a suitable icon is found. An empty URL otherwise.
-  static GURL FindBestMatchingIcon(
-      const std::vector<content::Manifest::Icon>& icons,
-      int ideal_icon_size_in_px,
-      int minimum_icon_size_in_px,
-      content::Manifest::Icon::IconPurpose purpose);
-
- private:
-  DISALLOW_IMPLICIT_CONSTRUCTORS(ManifestIconSelector);
-};
-
-#endif  // CHROME_BROWSER_MANIFEST_MANIFEST_ICON_SELECTOR_H_