touch: Allow grabbing/ungrabbing touch devices for XInput2.

chrome/browser/renderer_host/render_widget_host_view_views.cc

 // Copyright (c) 2010 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 "chrome/browser/renderer_host/render_widget_host_view_views.h"
 
 #include <algorithm>
 #include <string>
 
 #include "app/l10n_util.h"
@@ skipping 678 matching lines @@
         }
       }
       break;
     case views::Event::ET_TOUCH_RELEASED:
     case views::Event::ET_TOUCH_CANCELLED:
     case views::Event::ET_TOUCH_MOVED: {
       // The touch point should have been added to the event from an earlier
       // _PRESSED event. So find that.
       // At the moment, only a maximum of 4 touch-points are allowed. So a
       // simple loop should be sufficient.
-      for (int i = 0; i < WebTouchEvent::touchPointsLengthCap; ++i) {
+      for (int i = 0; i < touch_event_.touchPointsLength; ++i) {
         point = touch_event_.touchPoints + i;
         if (point->id == e.identity()) {
           break;
         }
         point = NULL;
       }
       break;
     }
     default:
       DLOG(WARNING) << "Unknown touch event " << e.GetType();
@@ skipping 43 matching lines @@
 }
 
 // static
 RenderWidgetHostView*
     RenderWidgetHostView::GetRenderWidgetHostViewFromNativeView(
         gfx::NativeView widget) {
   gpointer user_data = g_object_get_data(G_OBJECT(widget),
                                          kRenderWidgetHostViewKey);
   return reinterpret_cast<RenderWidgetHostView*>(user_data);
 }