Revert of Clean up GestureEventDetails constructors

ash/system/overview/overview_button_tray_unittest.cc

Index: ash/system/overview/overview_button_tray_unittest.cc
diff --git a/ash/system/overview/overview_button_tray_unittest.cc b/ash/system/overview/overview_button_tray_unittest.cc
index 27ff36723eec187898d082ce00835557bd6aca70..24715330d1710ce5863fa910a7eb9c72c6abbc0d 100644
--- a/ash/system/overview/overview_button_tray_unittest.cc
+++ b/ash/system/overview/overview_button_tray_unittest.cc
@@ -78,8 +78,8 @@
   // Overview Mode only works when there is a window
   scoped_ptr<aura::Window> window(
       CreateTestWindowInShellWithBounds(gfx::Rect(5, 5, 20, 20)));
-  ui::GestureEvent tap(
-      0, 0, 0, base::TimeDelta(), ui::GestureEventDetails(ui::ET_GESTURE_TAP));
+  ui::GestureEvent tap(0, 0, 0, base::TimeDelta(),
+      ui::GestureEventDetails(ui::ET_GESTURE_TAP, 0.0f, 0.0f));
   GetTray()->PerformAction(tap);
   EXPECT_TRUE(Shell::GetInstance()->window_selector_controller()->
       IsSelecting());