Fix for pixelated icons in extension install ui on 2x scale.

chrome/common/extensions/extension.cc

Index: chrome/common/extensions/extension.cc
diff --git a/chrome/common/extensions/extension.cc b/chrome/common/extensions/extension.cc
index d99dd013e5283244d471899696d3daf95401a8a5..ec5990a1b633cd3dd8c0e7570a7c7df93926533f 100644
--- a/chrome/common/extensions/extension.cc
+++ b/chrome/common/extensions/extension.cc
@@ -3061,9 +3061,9 @@ void Extension::DecodeIconFromPath(const FilePath& icon_path,
 }
 
 // static
-const SkBitmap& Extension::GetDefaultIcon(bool is_app) {
+const gfx::ImageSkia& Extension::GetDefaultIcon(bool is_app) {
   int id = is_app ? IDR_APP_DEFAULT_ICON : IDR_EXTENSION_DEFAULT_ICON;
-  return *ResourceBundle::GetSharedInstance().GetBitmapNamed(id);
+  return *ResourceBundle::GetSharedInstance().GetImageSkiaNamed(id);
 }
 
 // static