Changes MouseEvent constructor to take changed_button_flags.

ash/shelf/shelf_tooltip_manager_unittest.cc

Index: ash/shelf/shelf_tooltip_manager_unittest.cc
diff --git a/ash/shelf/shelf_tooltip_manager_unittest.cc b/ash/shelf/shelf_tooltip_manager_unittest.cc
index 33792ec4c8d45dc5720b37e838cdcc4fa2fe10a5..6114202c9f6b8412aea1bd6952c4c9a269f673ee 100644
--- a/ash/shelf/shelf_tooltip_manager_unittest.cc
+++ b/ash/shelf/shelf_tooltip_manager_unittest.cc
@@ -231,7 +231,8 @@ TEST_F(ShelfTooltipManagerTest, HideForMouseMoveEvent) {
 
   // Shouldn't hide if the mouse is in the tooltip.
   ui::MouseEvent mouse_event(ui::ET_MOUSE_MOVED, tooltip_rect.CenterPoint(),
-                             tooltip_rect.CenterPoint(), ui::EF_NONE);
+                             tooltip_rect.CenterPoint(), ui::EF_NONE,
+                             ui::EF_NONE);
   ui::LocatedEventTestApi test_api(&mouse_event);
 
   SetEventTarget(root_window, &mouse_event);
@@ -260,7 +261,8 @@ TEST_F(ShelfTooltipManagerTest, HideForMouseClickEvent) {
 
   // Should hide if the mouse is pressed in the tooltip.
   ui::MouseEvent mouse_event(ui::ET_MOUSE_PRESSED, tooltip_rect.CenterPoint(),
-                             tooltip_rect.CenterPoint(), ui::EF_NONE);
+                             tooltip_rect.CenterPoint(), ui::EF_NONE,
+                             ui::EF_NONE);
 
   SetEventTarget(root_window, &mouse_event);
   event_handler->OnMouseEvent(&mouse_event);