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

ui/gfx/size.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/gfx/size.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #elif defined(OS_MACOSX)
 #include <CoreGraphics/CGGeometry.h>
@@ skipping 34 matching lines @@
   return s;
 }
 #elif defined(OS_MACOSX)
 CGSize Size::ToCGSize() const {
   return CGSizeMake(width_, height_);
 }
 #endif
 
 void Size::set_width(int width) {
   if (width < 0) {
-    NOTREACHED() << "negative width:" << width;
+    // NOTREACHED() << "negative width:" << width;

[tfarina, 2012/03/28 16:16:04]

please, revert this change.

     width = 0;
   }
   width_ = width;
 }
 
 void Size::set_height(int height) {
   if (height < 0) {
     NOTREACHED() << "negative height:" << height;
     height = 0;
   }
   height_ = height;
 }
 
 std::string Size::ToString() const {
   return base::StringPrintf("%dx%d", width_, height_);
 }
 
 }  // namespace gfx