Replace chromeos::UserManager::Get() with chromeos::GetUserManager().

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 5ce8a16352fb88c96d3915708f26929c25bd7ff7..a123c25f3d98a536eab923b26dd550db6a058180 100644
--- a/chrome/browser/ui/webui/options/chromeos/user_image_source.cc
+++ b/chrome/browser/ui/webui/options/chromeos/user_image_source.cc
@@ -54,7 +54,7 @@ base::RefCountedMemory* UserImageSource::GetUserImage(
     const std::string& email,
     bool is_image_animated,
     ui::ScaleFactor scale_factor) const {
-  const chromeos::User* user = chromeos::UserManager::Get()->FindUser(email);
+  const chromeos::User* user = chromeos::GetUserManager()->FindUser(email);
   if (user) {
     if (user->has_animated_image() && is_image_animated) {
       return new base::RefCountedBytes(user->animated_image());
@@ -108,7 +108,7 @@ std::string UserImageSource::GetMimeType(const std::string& path) const {
   ParseRequest(url, &email, &is_image_animated);
 
   if (is_image_animated) {
-    const chromeos::User* user = chromeos::UserManager::Get()->FindUser(email);
+    const chromeos::User* user = chromeos::GetUserManager()->FindUser(email);
     if (user && user->has_animated_image())
       return "image/gif";
   }