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

chrome/browser/ui/browser_close_unittest.cc

Index: chrome/browser/ui/browser_close_unittest.cc
diff --git a/chrome/browser/ui/browser_close_unittest.cc b/chrome/browser/ui/browser_close_unittest.cc
index d427d1e4bf8562b0aa905c453dd68d666b503890..27f5fa8a7214842936ea8ab8f69739fa2d4e5245 100644
--- a/chrome/browser/ui/browser_close_unittest.cc
+++ b/chrome/browser/ui/browser_close_unittest.cc
@@ -60,7 +60,7 @@ class TestingDownloadService : public DownloadService {
   void CancelDownloads() override {}
 
   void SetDownloadManagerDelegateForTesting(
-      scoped_ptr<ChromeDownloadManagerDelegate> delegate) override {
+      std::unique_ptr<ChromeDownloadManagerDelegate> delegate) override {
     ADD_FAILURE();
   }
 
@@ -77,9 +77,9 @@ class TestingDownloadService : public DownloadService {
   DISALLOW_COPY_AND_ASSIGN(TestingDownloadService);
 };
 
-static scoped_ptr<KeyedService> CreateTestingDownloadService(
+static std::unique_ptr<KeyedService> CreateTestingDownloadService(
     content::BrowserContext* browser_context) {
-  return scoped_ptr<KeyedService>(new TestingDownloadService());
+  return std::unique_ptr<KeyedService>(new TestingDownloadService());
 }
 
 class BrowserCloseTest : public testing::Test {