FocusManagerFactory::Create() should return a unique_ptr.

ui/views/focus/focus_manager_unittest.cc

Index: ui/views/focus/focus_manager_unittest.cc
diff --git a/ui/views/focus/focus_manager_unittest.cc b/ui/views/focus/focus_manager_unittest.cc
index bafea1ecf8c2367153232707b4d85c571c61bca6..7137786c3566d055a7a97509fc5ab1f4729912af 100644
--- a/ui/views/focus/focus_manager_unittest.cc
+++ b/ui/views/focus/focus_manager_unittest.cc
@@ -11,6 +11,7 @@
 
 #include "base/command_line.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/base/accelerators/accelerator.h"
 #include "ui/events/keycodes/keyboard_codes.h"
@@ -477,14 +478,17 @@ class FocusManagerDtorTest : public FocusManagerTest {
     explicit TestFocusManagerFactory(DtorTrackVector* dtor_tracker)
         : dtor_tracker_(dtor_tracker) {
     }
+    ~TestFocusManagerFactory() override {}
 
-    FocusManager* CreateFocusManager(Widget* widget,
-                                     bool desktop_widget) override {
-      return new FocusManagerDtorTracked(widget, dtor_tracker_);
+    std::unique_ptr<FocusManager> CreateFocusManager(
+        Widget* widget,
+        bool desktop_widget) override {
+      return base::MakeUnique<FocusManagerDtorTracked>(widget, dtor_tracker_);
     }
 
    private:
     DtorTrackVector* dtor_tracker_;
+
     DISALLOW_COPY_AND_ASSIGN(TestFocusManagerFactory);
   };