Change absl::make_unique to std::make_unique.

These tests accidentally were submitted with absl::make_unique and they
fail when C++17 build flags are set.

BUG=752720

Change-Id: Ia3ec81a155553236e937a8598f2ef174fb7c5719
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1693022Reviewed-by: Vadym Doroshenko <dvadym@chromium.org>
Commit-Queue: Dave Tapuska <dtapuska@chromium.org>
Cr-Commit-Position: refs/heads/master@{#675652}

chrome/browser/autofill/autofill_captured_sites_interactive_uitest.cc

@@ -229,7 +229,7 @@ class AutofillCapturedSitesInteractiveTest
     const base::FilePath capture_file_path =
         GetReplayFilesDirectory().AppendASCII(GetParam().c_str());
     SetServerUrlLoader(std::make_unique<test::ServerUrlLoader>(
-        absl::make_unique<test::ServerCacheReplayer>(
+        std::make_unique<test::ServerCacheReplayer>(
             capture_file_path,
             test::ServerCacheReplayer::kOptionFailOnInvalidJsonRecord)));
   }

chrome/browser/password_manager/password_manager_captured_sites_interactive_uitest.cc

@@ -208,8 +208,8 @@ class CapturedSitesPasswordManagerBrowserTest
         GetReplayFilesRootDirectory()
             .AppendASCII(GetParam().scenarioDir.c_str())
             .AppendASCII(GetParam().siteName.c_str());
-    SetServerUrlLoader(std::make_unique<ServerUrlLoader>(
-        absl::make_unique<ServerCacheReplayer>(
+    SetServerUrlLoader(
+        std::make_unique<ServerUrlLoader>(std::make_unique<ServerCacheReplayer>(
             capture_file_path,
             ServerCacheReplayer::kOptionFailOnInvalidJsonRecord)));
   }