Copy aura::Event into ui::Event.

ui/ui_unittests.gypi

Index: ui/ui_unittests.gypi
===================================================================
--- ui/ui_unittests.gypi	(revision 149921)
+++ ui/ui_unittests.gypi	(working copy)
@@ -67,6 +67,7 @@
         'base/cocoa/events_mac_unittest.mm',
         'base/cocoa/focus_tracker_unittest.mm',
         'base/dialogs/select_file_dialog_win_unittest.cc',
+        'base/event_unittest.cc',
         'base/gtk/gtk_expanded_container_unittest.cc',
         'base/gtk/gtk_im_context_util_unittest.cc',
         'base/gtk/menu_label_accelerator_util_unittest.cc',
@@ -207,6 +208,15 @@
             'base/view_prop_unittest.cc',
           ],
         }],
+        ['use_aura==1 or toolkit_views==1',  {
+          'sources': [
+            'base/gestures/velocity_calculator_unittest.cc',
+          ],
+        }, {
+          'sources!': [
+            'base/event_unittest.cc',
+          ],
+        }],
         ['use_aura==1', {
           'sources!': [
             'base/dialogs/select_file_dialog_win_unittest.cc',
@@ -215,11 +225,6 @@
             'gfx/screen_unittest.cc',
           ],
         }],
-        ['use_aura==1 or toolkit_views==1', {
-          'sources': [
-            'base/gestures/velocity_calculator_unittest.cc',
-          ],
-        }],
       ],
     },
   ],