Revert of Clean up GestureEventDetails constructors and fix unit tests

ash/drag_drop/drag_drop_controller.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 "base/bind.h"
@@ skipping 46 matching lines @@
   drag_image_offset->set_x(drag_image_offset->x() * scale);
   drag_image_offset->set_y(drag_image_offset->y() * scale);
   float total_x_offset = drag_image_offset->x();
   float total_y_offset = drag_image_offset->y() - vertical_offset;
   final_origin.Offset(-total_x_offset, -total_y_offset);
   return gfx::ToEnclosingRect(gfx::RectF(final_origin, final_size));
 }
 
 void DispatchGestureEndToWindow(aura::Window* window) {
   if (window && window->delegate()) {
-    ui::GestureEvent gesture_end(0,
-                                 0,
-                                 0,
-                                 ui::EventTimeForNow(),
-                                 ui::GestureEventDetails(ui::ET_GESTURE_END));
+    ui::GestureEvent gesture_end(
+        0,
+        0,
+        0,
+        ui::EventTimeForNow(),
+        ui::GestureEventDetails(ui::ET_GESTURE_END, 0, 0));
     window->delegate()->OnGestureEvent(&gesture_end);
   }
 }
 }  // namespace
 
 class DragDropTrackerDelegate : public aura::WindowDelegate {
  public:
   explicit DragDropTrackerDelegate(DragDropController* controller)
       : drag_drop_controller_(controller) {}
   virtual ~DragDropTrackerDelegate() {}
@@ skipping 474 matching lines @@
   if (drag_window_)
     drag_window_->RemoveObserver(this);
   drag_window_ = NULL;
   drag_data_ = NULL;
   // Cleanup can be called again while deleting DragDropTracker, so use Pass
   // instead of reset to avoid double free.
   drag_drop_tracker_.Pass();
 }
 
 }  // namespace ash