ui::LocatedEvent location() returns gfx::PointF

ui/views/touchui/touch_selection_controller_impl.cc

 // Copyright (c) 2013 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/touchui/touch_selection_controller_impl.h"
 
 #include "base/time/time.h"
 #include "grit/ui_resources.h"
 #include "grit/ui_strings.h"
 #include "ui/base/resource/resource_bundle.h"
@@ skipping 196 matching lines @@
   virtual void OnGestureEvent(ui::GestureEvent* event) OVERRIDE {
     event->SetHandled();
     switch (event->type()) {
       case ui::ET_GESTURE_SCROLL_BEGIN:
         widget_->SetCapture(this);
         controller_->SetDraggingHandle(this);
         drag_offset_ = event->y() - selection_rect_.height() +
             kSelectionHandleVerticalDragOffset;
         break;
       case ui::ET_GESTURE_SCROLL_UPDATE: {
-        gfx::Point drag_pos(event->location().x(),
-            event->location().y() - drag_offset_);
+        gfx::Point drag_pos(
+            gfx::ToFlooredPoint(event->location()).x(),
+            gfx::ToFlooredPoint(event->location()).y() - drag_offset_);
         controller_->SelectionHandleDragged(drag_pos);
         break;
       }
       case ui::ET_GESTURE_SCROLL_END:
       case ui::ET_SCROLL_FLING_START:
         widget_->ReleaseCapture();
         controller_->SetDraggingHandle(NULL);
         break;
       default:
         break;
@@ skipping 373 matching lines @@
 
 bool TouchSelectionControllerImpl::IsSelectionHandle2Visible() {
   return selection_handle_2_->IsWidgetVisible();
 }
 
 bool TouchSelectionControllerImpl::IsCursorHandleVisible() {
   return cursor_handle_->IsWidgetVisible();
 }
 
 }  // namespace views