MD Settings: make avatar icon account for scale factor

chrome/browser/ui/webui/settings/profile_info_handler.cc

 // Copyright 2016 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/ui/webui/settings/profile_info_handler.h"
 
 #include "base/bind.h"
 #include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
@@ skipping 191 matching lines @@
   icon_url = webui::GetPngDataUrl(image->front(), image->size());
 #else   // !defined(OS_CHROMEOS)
   ProfileAttributesEntry* entry;
   if (g_browser_process->profile_manager()
           ->GetProfileAttributesStorage()
           .GetProfileAttributesWithPath(profile_->GetPath(), &entry)) {
     name = base::UTF16ToUTF8(entry->GetName());
     // TODO(crbug.com/710660): return chrome://theme/IDR_PROFILE_AVATAR_*
     // and update theme_source.cc to get high res avatar icons. This does less
     // work here, sends less over IPC, and is more stable with returned results.
-    constexpr int kAvatarIconSize = 40;
+    int kAvatarIconSize = 40.f * web_ui()->GetDeviceScaleFactor();
     gfx::Image icon = profiles::GetSizedAvatarIcon(
         entry->GetAvatarIcon(), true, kAvatarIconSize, kAvatarIconSize);
     icon_url = webui::GetBitmapDataUrl(icon.AsBitmap());
   }
 #endif  // defined(OS_CHROMEOS)
 
   base::DictionaryValue* response = new base::DictionaryValue();
   response->SetString("name", name);
   response->SetString("iconUrl", icon_url);
   return base::WrapUnique(response);
 }
 
 bool ProfileInfoHandler::IsProfileManagingSupervisedUsers() const {
   return !profile_->GetPrefs()->GetDictionary(prefs::kSupervisedUsers)->empty();
 }
 
 }  // namespace settings