This patch implements Chromium's Aura gesture recognizer in terms of utouch-grail and utouch-frame …

ui/aura/gestures/gesture_recognizer_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 "base/timer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/aura/event.h"
 #include "ui/aura/gestures/gesture_recognizer_aura.h"
 #include "ui/aura/gestures/gesture_sequence.h"
 #include "ui/aura/root_window.h"
@@ skipping 101 matching lines @@
         pinch_begin_ = true;
         break;
       case ui::ET_GESTURE_PINCH_UPDATE:
         pinch_update_ = true;
         break;
       case ui::ET_GESTURE_PINCH_END:
         pinch_end_ = true;
         break;
       case ui::ET_GESTURE_LONG_PRESS:
         long_press_ = true;
-        touch_id_ = gesture->delta_x();
+        touch_id_ = gesture->point_id();
         break;
       default:
         NOTREACHED();
     }
     return ui::GESTURE_STATUS_CONSUMED;
   }
 
  private:
   bool tap_;
   bool tap_down_;
@@ skipping 1131 matching lines @@
       new GestureEventConsumeDelegate());
 
   TouchEvent release1(ui::ET_TOUCH_RELEASED, gfx::Point(101, 201), 6);
   root_window()->DispatchTouchEvent(&release1);
   EXPECT_FALSE(delegate->tap());
   EXPECT_FALSE(delegate->tap_down());
 }
 
 }  // namespace test
 }  // namespace aura