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

content/browser/renderer_host/web_input_event_aurax11.cc

Index: content/browser/renderer_host/web_input_event_aurax11.cc
===================================================================
--- content/browser/renderer_host/web_input_event_aurax11.cc	(revision 126124)
+++ content/browser/renderer_host/web_input_event_aurax11.cc	(working copy)
@@ -300,7 +300,10 @@
 
 WebKit::WebGestureEvent MakeWebGestureEventFromAuraEvent(
     aura::GestureEvent* event) {
+
   WebKit::WebGestureEvent gesture_event;
+  gesture_event.deltaX = event->delta_x();
+  gesture_event.deltaY = event->delta_y();
 
   switch (event->type()) {
     case ui::ET_GESTURE_TAP:
@@ -323,12 +326,18 @@
       break;
     case ui::ET_GESTURE_PINCH_BEGIN:
       gesture_event.type = WebKit::WebInputEvent::GesturePinchBegin;
+      gesture_event.deltaX = event->scale_x();
+      gesture_event.deltaY = event->scale_y();
       break;
     case ui::ET_GESTURE_PINCH_UPDATE:
       gesture_event.type = WebKit::WebInputEvent::GesturePinchUpdate;
+      gesture_event.deltaX = event->scale_x();
+      gesture_event.deltaY = event->scale_y();
       break;
     case ui::ET_GESTURE_PINCH_END:
       gesture_event.type = WebKit::WebInputEvent::GesturePinchEnd;
+      gesture_event.deltaX = event->scale_x();
+      gesture_event.deltaY = event->scale_y();
       break;
     case ui::ET_GESTURE_LONG_PRESS:
       // TODO(tdresser): Integrate long press with WebKit
@@ -337,10 +346,6 @@
       NOTREACHED() << "Unknown gesture type: " << event->type();
   }
 
-  gesture_event.deltaX = event->delta_x();
-  gesture_event.deltaY = event->delta_y();
-  gesture_event.modifiers = EventFlagsToWebEventModifiers(event->flags());
-
   return gesture_event;
 }