Skip mulitple-dispay tests on win8

ash/tooltips/tooltip_controller_unittest.cc

Index: ash/tooltips/tooltip_controller_unittest.cc
diff --git a/ash/tooltips/tooltip_controller_unittest.cc b/ash/tooltips/tooltip_controller_unittest.cc
index 4e560e4b83105036f01f8186860871da590eb748..ff894c89b2cbc89938b9d2d3ea12485589813e03 100644
--- a/ash/tooltips/tooltip_controller_unittest.cc
+++ b/ash/tooltips/tooltip_controller_unittest.cc
@@ -132,16 +132,10 @@ TEST_F(TooltipControllerTest, HideTooltipWhenCursorHidden) {
   EXPECT_TRUE(helper_->IsTooltipVisible());
 }
 
-#if defined(OS_WIN)
-// Multiple displays are not supported on Windows Ash. http://crbug.com/165962
-#define MAYBE_TooltipsOnMultiDisplayShouldNotCrash \
-        DISABLED_TooltipsOnMultiDisplayShouldNotCrash
-#else
-#define MAYBE_TooltipsOnMultiDisplayShouldNotCrash \
-        TooltipsOnMultiDisplayShouldNotCrash
-#endif
+TEST_F(TooltipControllerTest, TooltipsOnMultiDisplayShouldNotCrash) {
+  if (!SupportsMultipleDisplays())
+    return;
 
-TEST_F(TooltipControllerTest, MAYBE_TooltipsOnMultiDisplayShouldNotCrash) {
   UpdateDisplay("1000x600,600x400");
   Shell::RootWindowList root_windows = Shell::GetAllRootWindows();
   scoped_ptr<views::Widget> widget1(CreateNewWidgetWithBoundsOn(