Propagate touch area to WebKit for GestureTapDown event

content/browser/renderer_host/render_widget_host_view_win.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 "content/browser/renderer_host/render_widget_host_view_win.h"
 
 #include <algorithm>
 #include <map>
 #include <peninputpanel_i.c>
 #include <stack>
@@ skipping 312 matching lines @@
 
   // Copy any event-type specific data.
   switch (gesture.type()) {
     case ui::ET_GESTURE_TAP:
       gesture_event.data.tap.tapCount = gesture.details().tap_count();
       gesture_event.data.tap.width =
           gesture.details().bounding_box().width();
       gesture_event.data.tap.height =
           gesture.details().bounding_box().height();
       break;
+    case ui::ET_GESTURE_TAP_DOWN:
+      gesture_event.data.tapDown.width =
+          gesture.details().bounding_box().width();
+      gesture_event.data.tapDown.height =
+          gesture.details().bounding_box().height();
+      break;
     case ui::ET_GESTURE_SCROLL_UPDATE:
       gesture_event.data.scrollUpdate.deltaX = gesture.details().scroll_x();
       gesture_event.data.scrollUpdate.deltaY = gesture.details().scroll_y();
       break;
     case ui::ET_GESTURE_PINCH_UPDATE:
       gesture_event.data.pinchUpdate.scale = gesture.details().scale();
       break;
     case ui::ET_SCROLL_FLING_START:
       gesture_event.data.flingStart.velocityX = gesture.details().velocity_x();
       gesture_event.data.flingStart.velocityY = gesture.details().velocity_y();
@@ skipping 2749 matching lines @@
   // receive a focus change in the context of a pointer down message, it means
   // that the pointer down message occurred on the edit field and we should
   // display the on screen keyboard
   if (!received_focus_change_after_pointer_down_ && virtual_keyboard_)
     DisplayOnScreenKeyboardIfNeeded();
   received_focus_change_after_pointer_down_ = false;
   pointer_down_context_ = false;
 }
 
 }  // namespace content