[cros, user_manager] Move default user images constants and helper functions out of src/chrome.

chrome/browser/ui/webui/options/chromeos/user_image_source.cc

Index: chrome/browser/ui/webui/options/chromeos/user_image_source.cc
diff --git a/chrome/browser/ui/webui/options/chromeos/user_image_source.cc b/chrome/browser/ui/webui/options/chromeos/user_image_source.cc
index c47f5fb068e1267c4bc599f7ab9255038de55457..6ad87bee6b00fac02cdc8888fb8654d6db7beab5 100644
--- a/chrome/browser/ui/webui/options/chromeos/user_image_source.cc
+++ b/chrome/browser/ui/webui/options/chromeos/user_image_source.cc
@@ -7,9 +7,9 @@
 #include "base/memory/ref_counted_memory.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/string_split.h"
-#include "chrome/browser/chromeos/login/users/avatar/default_user_images.h"
 #include "chrome/browser/chromeos/login/users/user_manager.h"
 #include "chrome/common/url_constants.h"
+#include "components/user_manager/user_image/default_user_images.h"
 #include "grit/theme_resources.h"
 #include "grit/ui_chromeos_resources.h"
 #include "net/base/escape.h"
@@ -68,7 +68,7 @@ base::RefCountedMemory* UserImageSource::GetUserImage(
     } else if (user->HasDefaultImage()) {
       return ResourceBundle::GetSharedInstance().
           LoadDataResourceBytesForScale(
-              kDefaultImageResourceIDs[user->image_index()],
+              user_manager::kDefaultImageResourceIDs[user->image_index()],
               scale_factor);
     } else {
       NOTREACHED() << "User with custom image missing raw data";