Make user_manager::UserImage non-copyable

chrome/browser/ui/webui/chromeos/image_source.cc

Index: chrome/browser/ui/webui/chromeos/image_source.cc
diff --git a/chrome/browser/ui/webui/chromeos/image_source.cc b/chrome/browser/ui/webui/chromeos/image_source.cc
index 3fb2775c7d483f887b540c11e9fb8be33619246a..502c11f296721e78dc48c139fb1c16ecad1939c6 100644
--- a/chrome/browser/ui/webui/chromeos/image_source.cc
+++ b/chrome/browser/ui/webui/chromeos/image_source.cc
@@ -35,11 +35,12 @@ const char* kWhitelistedDirectories[] = {
 // Callback for user_manager::UserImageLoader.
 void ImageLoaded(
     const content::URLDataSource::GotDataCallback& got_data_callback,
-    const user_manager::UserImage& user_image) {
+    scoped_ptr<user_manager::UserImage> user_image) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
-  if (user_image.has_image_bytes())
-    got_data_callback.Run(new base::RefCountedBytes(user_image.image_bytes()));
+  // TODO(crbug.com/593251): Remove the data copy.
+  if (user_image->has_image_bytes())
+    got_data_callback.Run(new base::RefCountedBytes(user_image->image_bytes()));
   else
     got_data_callback.Run(NULL);
 }