Removing remaining CrOS implicit conversions from scoped_refptr to T*

chrome/browser/ui/webui/chromeos/login/screenlock_icon_source.cc

Index: chrome/browser/ui/webui/chromeos/login/screenlock_icon_source.cc
diff --git a/chrome/browser/ui/webui/chromeos/login/screenlock_icon_source.cc b/chrome/browser/ui/webui/chromeos/login/screenlock_icon_source.cc
index 03949a68e1b70dc08ccb2220a93535e0950971b4..0417c6050913cb7000968e2f38667dd93b5a3608 100644
--- a/chrome/browser/ui/webui/chromeos/login/screenlock_icon_source.cc
+++ b/chrome/browser/ui/webui/chromeos/login/screenlock_icon_source.cc
@@ -39,7 +39,7 @@ void ScreenlockIconSource::StartDataRequest(
     int render_frame_id,
     const content::URLDataSource::GotDataCallback& callback) {
   if (!icon_provider_) {
-    callback.Run(GetDefaultIcon().As1xPNGBytes());
+    callback.Run(GetDefaultIcon().As1xPNGBytes().get());
     return;
   }
 
@@ -50,7 +50,7 @@ void ScreenlockIconSource::StartDataRequest(
 
   gfx::Image image = icon_provider_->GetIcon(username);
   if (image.IsEmpty()) {
-    callback.Run(GetDefaultIcon().As1xPNGBytes());
+    callback.Run(GetDefaultIcon().As1xPNGBytes().get());
     return;
   }