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

chrome/browser/ui/app_list/arc/arc_app_test.h

Index: chrome/browser/ui/app_list/arc/arc_app_test.h
diff --git a/chrome/browser/ui/app_list/arc/arc_app_test.h b/chrome/browser/ui/app_list/arc/arc_app_test.h
index bb4b761334edb9e0bd362c7ea594a3e71f550920..531efc3182ca6393f717ef30192b489d3c4ee027 100644
--- a/chrome/browser/ui/app_list/arc/arc_app_test.h
+++ b/chrome/browser/ui/app_list/arc/arc_app_test.h
@@ -5,11 +5,11 @@
 #ifndef CHROME_BROWSER_UI_APP_LIST_ARC_ARC_APP_TEST_H_
 #define CHROME_BROWSER_UI_APP_LIST_ARC_ARC_APP_TEST_H_
 
+#include <memory>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 
 namespace arc {
 class AppInfo;
@@ -42,8 +42,8 @@ class ArcAppTest {
   // Unowned pointer.
   content::BrowserContext* browser_context_ = nullptr;
 
-  scoped_ptr<arc::FakeArcBridgeService> bridge_service_;
-  scoped_ptr<arc::FakeAppInstance> app_instance_;
+  std::unique_ptr<arc::FakeArcBridgeService> bridge_service_;
+  std::unique_ptr<arc::FakeAppInstance> app_instance_;
   std::vector<arc::AppInfo> fake_apps_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcAppTest);