aura: Gesture event plumbing (skeleton).

ash/wm/modality_event_filter.cc

Index: ash/wm/modality_event_filter.cc
diff --git a/ash/wm/modality_event_filter.cc b/ash/wm/modality_event_filter.cc
index 1b8128d06192505f77c5e020249fe1456bcf2714..16fba18baf8b856b7a74a852d1dd593f042232fb 100644
--- a/ash/wm/modality_event_filter.cc
+++ b/ash/wm/modality_event_filter.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// 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.
 
@@ -36,5 +36,12 @@ ui::TouchStatus ModalityEventFilter::PreHandleTouchEvent(
   return ui::TOUCH_STATUS_UNKNOWN;
 }
 
+ui::GestureStatus ModalityEventFilter::PreHandleGestureEvent(
+    aura::Window* target,
+    aura::GestureEvent* event) {
+  // TODO(sad):
+  return ui::GESTURE_STATUS_UNKNOWN;
+}
+
 }  // namespace internal
 }  // namespace ash