Convert //chrome/browser/ui from scoped_ptr to std::unique_ptr

chrome/browser/ui/passwords/password_bubble_experiment_unittest.cc

Index: chrome/browser/ui/passwords/password_bubble_experiment_unittest.cc
diff --git a/chrome/browser/ui/passwords/password_bubble_experiment_unittest.cc b/chrome/browser/ui/passwords/password_bubble_experiment_unittest.cc
index 1ef79c07c79f307e48eb08887e928a44c230336a..470cb05f946a3f387de84ca18f8c40f25d251402 100644
--- a/chrome/browser/ui/passwords/password_bubble_experiment_unittest.cc
+++ b/chrome/browser/ui/passwords/password_bubble_experiment_unittest.cc
@@ -31,8 +31,8 @@ class PasswordBubbleExperimentTest : public testing::Test {
  private:
   content::TestBrowserThreadBundle thread_bundle_;
   base::ScopedTempDir temp_dir_;
-  scoped_ptr<TestingProfile> profile_;
-  scoped_ptr<base::FieldTrialList> field_trial_list_;
+  std::unique_ptr<TestingProfile> profile_;
+  std::unique_ptr<base::FieldTrialList> field_trial_list_;
 };
 
 // TODO(vasilii): add tests once there is a smart bubble.