aura: Dispatch touch-events targetted to the root-window properly.

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 <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 857 matching lines @@
         gesture_recognizer_->GetTouchLockedTarget(event));
     if (!target) {
       target = ConsumerToWindow(
           gesture_recognizer_->GetTargetForLocation(event->location()));
     }
   }
 
   if (!target && !bounds().Contains(event->location())) {
     // If the initial touch is outside the root window, target the root.
     target = this;
+    status = ProcessTouchEvent(target, event);
+    CHECK_EQ(ui::TOUCH_STATUS_UNKNOWN, status);
   } else {
     // We only come here when the first contact was within the root window.
     if (!target) {
       target = GetEventHandlerForPoint(event->location());
       if (!target)
         return false;
     }
 
     ui::TouchEvent translated_event(
         *event, static_cast<Window*>(this), target);
@@ skipping 147 matching lines @@
 void RootWindow::UnlockCompositor() {
   DCHECK(compositor_lock_);
   compositor_lock_ = NULL;
   if (draw_on_compositor_unlock_) {
     draw_on_compositor_unlock_ = false;
     ScheduleDraw();
   }
 }
 
 }  // namespace aura