Use exact pixel sizes instead of dip in webapp/WebAPK installability code

chrome/browser/manifest/manifest_icon_selector.cc

Index: chrome/browser/manifest/manifest_icon_selector.cc
diff --git a/chrome/browser/manifest/manifest_icon_selector.cc b/chrome/browser/manifest/manifest_icon_selector.cc
index faae55d8a15c2e13b640e240265afe69e41ad8bd..c8d3d5566a9a1adcc83b8daca1d4ec815073a629 100644
--- a/chrome/browser/manifest/manifest_icon_selector.cc
+++ b/chrome/browser/manifest/manifest_icon_selector.cc
@@ -130,14 +130,9 @@ std::vector<Manifest::Icon> ManifestIconSelector::FilterIconsByType(
 // static
 GURL ManifestIconSelector::FindBestMatchingIcon(
     const std::vector<Manifest::Icon>& unfiltered_icons,
-    const int ideal_icon_size_in_dp,
-    const int minimum_icon_size_in_dp) {
-  DCHECK(minimum_icon_size_in_dp <= ideal_icon_size_in_dp);
-
-  const int ideal_icon_size_in_px =
-    ConvertIconSizeFromDpToPx(ideal_icon_size_in_dp);
-  const int minimum_icon_size_in_px =
-    ConvertIconSizeFromDpToPx(minimum_icon_size_in_dp);
+    const int ideal_icon_size_in_px,
+    const int minimum_icon_size_in_px) {
+  DCHECK(minimum_icon_size_in_px <= ideal_icon_size_in_px);
 
   std::vector<Manifest::Icon> icons =
       ManifestIconSelector::FilterIconsByType(unfiltered_icons);
@@ -149,10 +144,3 @@ GURL ManifestIconSelector::FindBestMatchingIcon(
     return GURL();
   return icons[index].src;
 }
-
-// static
-int ManifestIconSelector::ConvertIconSizeFromDpToPx(int icon_size_in_dp) {
-  return static_cast<int>(round(
-      icon_size_in_dp *
-      display::Screen::GetScreen()->GetPrimaryDisplay().device_scale_factor()));
-}