Add gesture target fuzzing to views

ui/views/widget/root_view.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/views/widget/root_view.h"
 
 #include <algorithm>
 
 #include "base/logging.h"
 #include "base/message_loop.h"
@@ skipping 478 matching lines @@
         status = scroll_gesture_handler_->ProcessGestureEvent(gesture_event);
         if (status == ui::GESTURE_STATUS_CONSUMED)
           return status;
       }
       scroll_gesture_handler_ = NULL;
     }
 
     return ui::GESTURE_STATUS_UNKNOWN;
   }
 
+  gfx::Rect touch_rect(event.details().bounding_box());
+  View *v = GetEventHandlerForRect(touch_rect);
+
   // Walk up the tree until we find a view that wants the gesture event.
-  for (gesture_handler_ = GetEventHandlerForPoint(e.location());
-      gesture_handler_ && (gesture_handler_ != this);
-      gesture_handler_ = gesture_handler_->parent()) {
+  for (gesture_handler_ = v ? v : GetEventHandlerForPoint(e.location());
+       gesture_handler_ && (gesture_handler_ != this);
+       gesture_handler_ = gesture_handler_->parent()) {
     if (!gesture_handler_->enabled()) {
       // Disabled views eat events but are treated as not handled.
       return ui::GESTURE_STATUS_UNKNOWN;
     }
 
     // See if this view wants to handle the Gesture.
     GestureEvent gesture_event(e, this, gesture_handler_);
     status = gesture_handler_->ProcessGestureEvent(gesture_event);
 
     // The view could have removed itself from the tree when handling
@@ skipping 86 matching lines @@
 }
 
 void RootView::SetMouseLocationAndFlags(const MouseEvent& event) {
   last_mouse_event_flags_ = event.flags();
   last_mouse_event_x_ = event.x();
   last_mouse_event_y_ = event.y();
 }
 
 }  // namespace internal
 }  // namespace views