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

chrome/browser/ui/cocoa/autofill/layout_view_unittest.mm

Index: chrome/browser/ui/cocoa/autofill/layout_view_unittest.mm
diff --git a/chrome/browser/ui/cocoa/autofill/layout_view_unittest.mm b/chrome/browser/ui/cocoa/autofill/layout_view_unittest.mm
index 3c5913ae9c525d7440c2bbc761910a4f76c2e3cd..2524af4fe402014f5479d75cab19fc22acec7248 100644
--- a/chrome/browser/ui/cocoa/autofill/layout_view_unittest.mm
+++ b/chrome/browser/ui/cocoa/autofill/layout_view_unittest.mm
@@ -17,8 +17,8 @@ class LayoutViewTest : public ui::CocoaTest {
   LayoutViewTest() {
     CocoaTest::SetUp();
     view_.reset([[LayoutView alloc] initWithFrame:NSZeroRect]);
-    [view_ setLayoutManager:
-        scoped_ptr<SimpleGridLayout>(new SimpleGridLayout(view_))];
+    [view_ setLayoutManager:std::unique_ptr<SimpleGridLayout>(
+                                new SimpleGridLayout(view_))];
     layout_ = [view_ layoutManager];
     [[test_window() contentView] addSubview:view_];
   }