Revert of Clean up GestureEventDetails constructors and fix unit tests

ash/drag_drop/drag_drop_controller_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/drag_drop/drag_drop_controller.h"
 
 #include "ash/drag_drop/drag_drop_tracker.h"
 #include "ash/drag_drop/drag_image_view.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
@@ skipping 255 matching lines @@
   views::View* contents_view = widget->GetContentsView();
   contents_view->AddChildView(view);
   view->SetBounds(contents_view->width(), 0, 100, 100);
   gfx::Rect contents_view_bounds = contents_view->bounds();
   contents_view_bounds.Union(view->bounds());
   contents_view->SetBoundsRect(contents_view_bounds);
   widget->SetBounds(contents_view_bounds);
 }
 
 void DispatchGesture(ui::EventType gesture_type, gfx::Point location) {
-  ui::GestureEventDetails event_details(gesture_type);
+  ui::GestureEventDetails event_details(gesture_type, 0, 0);
   event_details.set_oldest_touch_id(1);
   ui::GestureEvent gesture_event(
       location.x(), location.y(), 0, ui::EventTimeForNow(), event_details);
   ui::EventSource* event_source =
       Shell::GetPrimaryRootWindow()->GetHost()->GetEventSource();
   ui::EventSourceTestApi event_source_test(event_source);
   ui::EventDispatchDetails details =
       event_source_test.SendEventToProcessor(&gesture_event);
   CHECK(!details.dispatcher_destroyed);
 }
@@ skipping 788 matching lines @@
     EXPECT_EQ("405,405", observer.window_location_on_destroying().ToString());
   }
   for (aura::Window::Windows::iterator iter = root_windows.begin();
        iter != root_windows.end(); ++iter) {
     aura::client::SetDragDropClient(*iter, NULL);
   }
 }
 
 }  // namespace test
 }  // namespace aura