Prepare ui/ module for compilation with OS X 10.7 deployment target.

ui/events/cocoa/events_mac_unittest.mm

Index: ui/events/cocoa/events_mac_unittest.mm
diff --git a/ui/events/cocoa/events_mac_unittest.mm b/ui/events/cocoa/events_mac_unittest.mm
index 8a5d84a0afd31652182ed3e482293079d615b6ea..c5aefb8ff231ec6274e1287ebd16a274e23b2718 100644
--- a/ui/events/cocoa/events_mac_unittest.mm
+++ b/ui/events/cocoa/events_mac_unittest.mm
@@ -12,6 +12,7 @@
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
+#include "ui/base/cocoa/cocoa_base_utils.h"
 #include "ui/events/event_constants.h"
 #import "ui/events/test/cocoa_test_event_utils.h"
 #include "ui/gfx/geometry/point.h"
@@ -109,7 +110,8 @@ class EventsMacTest : public CocoaTest {
     // of window coordinates (which also requires flipping).
     NSPoint window_point =
         NSPointFromCGPoint(Flip(window_location).ToCGPoint());
-    NSPoint screen_point = [test_window() convertBaseToScreen:window_point];
+    NSPoint screen_point =
+        ui::ConvertPointFromWindowToScreen(test_window(), window_point);
     CGFloat primary_screen_height =
         NSHeight([[[NSScreen screens] firstObject] frame]);
     screen_point.y = primary_screen_height - screen_point.y;