Changes MouseEvent constructor to take changed_button_flags.

ui/views/corewm/capture_controller_unittest.cc

Index: ui/views/corewm/capture_controller_unittest.cc
diff --git a/ui/views/corewm/capture_controller_unittest.cc b/ui/views/corewm/capture_controller_unittest.cc
index 558a4030f510a51d12998da8f4ece85ce185c4ae..c779547db5d5fb3f4775e06c7f4f8bd9e1642fd6 100644
--- a/ui/views/corewm/capture_controller_unittest.cc
+++ b/ui/views/corewm/capture_controller_unittest.cc
@@ -102,7 +102,7 @@ TEST_F(CaptureControllerTest, ResetMouseEventHandlerOnCapture) {
   // Make a synthesized mouse down event. Ensure that the RootWindow will
   // dispatch further mouse events to |w1|.
   ui::MouseEvent mouse_pressed_event(ui::ET_MOUSE_PRESSED, gfx::Point(5, 5),
-                                     gfx::Point(5, 5), 0);
+                                     gfx::Point(5, 5), 0, 0);
   dispatcher()->AsRootWindowHostDelegate()->OnHostMouseEvent(
       &mouse_pressed_event);
   EXPECT_EQ(w1.get(), dispatcher()->mouse_pressed_handler());