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

chrome/browser/ui/webui/extensions/extension_settings_browsertest.h

Index: chrome/browser/ui/webui/extensions/extension_settings_browsertest.h
diff --git a/chrome/browser/ui/webui/extensions/extension_settings_browsertest.h b/chrome/browser/ui/webui/extensions/extension_settings_browsertest.h
index 6aa02f5c59c2cf775cb7de348d32cded13c4d855..59d140530808598219ca0c4d0d6dca93d75c9d24 100644
--- a/chrome/browser/ui/webui/extensions/extension_settings_browsertest.h
+++ b/chrome/browser/ui/webui/extensions/extension_settings_browsertest.h
@@ -60,7 +60,7 @@ class ExtensionSettingsUIBrowserTest : public WebUIBrowserTest {
       const base::FilePath& path);
   const extensions::Extension* InstallExtension(const base::FilePath& path);
 
-  scoped_ptr<ExtensionTestNotificationObserver> observer_;
+  std::unique_ptr<ExtensionTestNotificationObserver> observer_;
 
   // The default profile to be used.
   Profile* profile_;
@@ -71,9 +71,11 @@ class ExtensionSettingsUIBrowserTest : public WebUIBrowserTest {
   base::FilePath test_data_dir_;
 
   // Used to enable the error console.
-  scoped_ptr<extensions::FeatureSwitch::ScopedOverride> error_console_override_;
+  std::unique_ptr<extensions::FeatureSwitch::ScopedOverride>
+      error_console_override_;
 
-  scoped_ptr<extensions::ScopedTestDialogAutoConfirm> uninstall_auto_confirm_;
+  std::unique_ptr<extensions::ScopedTestDialogAutoConfirm>
+      uninstall_auto_confirm_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionSettingsUIBrowserTest);
 };