Switch to using scoped_ptr with UserData

chrome/browser/browsing_data/browsing_data_remover_impl_unittest.cc

Index: chrome/browser/browsing_data/browsing_data_remover_impl_unittest.cc
diff --git a/chrome/browser/browsing_data/browsing_data_remover_impl_unittest.cc b/chrome/browser/browsing_data/browsing_data_remover_impl_unittest.cc
index 6d61086534b707a489ac39610cc3158504c35e53..1655089ee5b41098e47f7d1ef14eca1de0622824 100644
--- a/chrome/browser/browsing_data/browsing_data_remover_impl_unittest.cc
+++ b/chrome/browser/browsing_data/browsing_data_remover_impl_unittest.cc
@@ -514,8 +514,8 @@ class RemoveDownloadsTester {
  public:
   explicit RemoveDownloadsTester(BrowserContext* browser_context)
       : download_manager_(new content::MockDownloadManager()) {
-    content::BrowserContext::SetDownloadManagerForTesting(browser_context,
-                                                          download_manager_);
+    content::BrowserContext::SetDownloadManagerForTesting(
+        browser_context, base::WrapUnique(download_manager_));
     EXPECT_EQ(download_manager_,
               content::BrowserContext::GetDownloadManager(browser_context));
     EXPECT_CALL(*download_manager_, Shutdown());
@@ -526,7 +526,7 @@ class RemoveDownloadsTester {
   content::MockDownloadManager* download_manager() { return download_manager_; }
 
  private:
-  content::MockDownloadManager* download_manager_;
+  content::MockDownloadManager* download_manager_;  // Owned by browser context.
 
   DISALLOW_COPY_AND_ASSIGN(RemoveDownloadsTester);
 };