Move chrome/browser/manifest to content/browser.

chrome/browser/manifest/manifest_icon_selector.cc

-// 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.
-
-#include "chrome/browser/manifest/manifest_icon_selector.h"
-
-#include <limits>
-
-#include "base/stl_util.h"
-#include "base/strings/utf_string_conversions.h"
-#include "components/mime_util/mime_util.h"
-
-// static
-GURL ManifestIconSelector::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) {
-  DCHECK(minimum_icon_size_in_px <= ideal_icon_size_in_px);
-
-  // Icon with exact matching size has priority over icon with size "any", which
-  // has priority over icon with closest matching size.
-  int latest_size_any_index = -1;
-  int closest_size_match_index = -1;
-  int best_delta_in_size = std::numeric_limits<int>::min();
-
-  for (size_t i = 0; i < icons.size(); ++i) {
-    const auto& icon = icons[i];
-
-    // Check for supported image MIME types.
-    if (!icon.type.empty() &&
-        !mime_util::IsSupportedImageMimeType(base::UTF16ToUTF8(icon.type))) {
-      continue;
-    }
-
-    // Check for icon purpose.
-    if (!base::ContainsValue(icon.purpose, purpose))
-      continue;
-
-    // Check for size constraints.
-    for (const gfx::Size& size : icon.sizes) {
-      // Check for size "any". Return this icon if no better one is found.
-      if (size.IsEmpty()) {
-        latest_size_any_index = i;
-        continue;
-      }
-
-      // Check for squareness.
-      if (size.width() != size.height())
-        continue;
-
-      // Check for minimum size.
-      if (size.width() < minimum_icon_size_in_px)
-        continue;
-
-      // Check for ideal size. Return this icon immediately.
-      if (size.width() == ideal_icon_size_in_px)
-        return icon.src;
-
-      // Check for closest match.
-      int delta = size.width() - ideal_icon_size_in_px;
-
-      // Smallest icon larger than ideal size has priority over largest icon
-      // smaller than ideal size.
-      if (best_delta_in_size > 0 && delta < 0)
-        continue;
-
-      if ((best_delta_in_size > 0 && delta < best_delta_in_size) ||
-          (best_delta_in_size < 0 && delta > best_delta_in_size)) {
-        closest_size_match_index = i;
-        best_delta_in_size = delta;
-      }
-    }
-  }
-
-  if (latest_size_any_index != -1)
-    return icons[latest_size_any_index].src;
-  else if (closest_size_match_index != -1)
-    return icons[closest_size_match_index].src;
-  else
-    return GURL();
-}