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

ui/aura/root_window.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/aura/root_window.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 431 matching lines @@
 gfx::AcceleratedWidget RootWindow::GetAcceleratedWidget() {
   return host_->GetAcceleratedWidget();
 }
 
 #if !defined(NDEBUG)
 void RootWindow::ToggleFullScreen() {
   host_->ToggleFullScreen();
 }
 #endif
 
+aura::NativeHandle RootWindow::GetNativeWindow() const {
+  return host_->GetNativeWindow();
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // RootWindow, Window overrides:
 
 RootWindow* RootWindow::GetRootWindow() {
   return this;
 }
 
 void RootWindow::SetTransform(const ui::Transform& transform) {
   Window::SetTransform(transform);
 
@@ skipping 371 matching lines @@
   // is currently broken. See/ crbug.com/107931.
   MouseEvent event(ui::ET_MOUSE_MOVED,
                    orig_mouse_location,
                    orig_mouse_location,
                    ui::EF_IS_SYNTHESIZED);
   DispatchMouseEvent(&event);
 #endif
 }
 
 }  // namespace aura