Corrected issues with queued touch events. This fixes gestures in Windows.

ui/base/gestures/gesture_sequence.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 "ui/base/gestures/gesture_sequence.h"
 
 #include <cmath>
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
@@ skipping 280 matching lines @@
   // Set a limit on the number of simultaneous touches in a gesture.
   if (event.GetTouchId() >= kMaxGesturePoints)
     return NULL;
 
   if (event.GetEventType() == ui::ET_TOUCH_PRESSED) {
     if (point_count_ == kMaxGesturePoints)
       return NULL;
     GesturePoint* new_point = &points_[event.GetTouchId()];
     // We shouldn't be able to get two PRESSED events from the same
     // finger without either a RELEASE or CANCEL in between.
-    DCHECK(!points_[event.GetTouchId()].in_use());
+    DCHECK(!new_point->in_use());
     new_point->set_point_id(point_count_++);
     new_point->set_touch_id(event.GetTouchId());
   }
 
   GestureState last_state = state_;
 
   // NOTE: when modifying these state transitions, also update gestures.dot
   scoped_ptr<Gestures> gestures(new Gestures());
   GesturePoint& point = GesturePointForEvent(event);
   point.UpdateValues(event);
@@ skipping 687 matching lines @@
     return;
 
   // Since long press timer has been started, there should be a non-NULL point.
   const GesturePoint* point = GetPointByPointId(0);
   if (!ui::gestures::IsInsideManhattanSquare(point->first_touch_position(),
       event.GetLocation()))
     long_press_timer_->Stop();
 }
 
 }  // namespace ui