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

ui/views/controls/slider.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/controls/slider.h"
 
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 251 matching lines @@
   }
   View::OnPaint(canvas);
   OnPaintFocus(canvas);
 }
 
 bool Slider::OnMousePressed(const ui::MouseEvent& event) {
   if (!event.IsOnlyLeftMouseButton())
     return false;
   if (listener_)
     listener_->SliderDragStarted(this);
-  PrepareForMove(event.location());
-  MoveButtonTo(event.location());
+  PrepareForMove(gfx::ToFlooredPoint(event.location()));
+  MoveButtonTo(gfx::ToFlooredPoint(event.location()));
   return true;
 }
 
 bool Slider::OnMouseDragged(const ui::MouseEvent& event) {
-  MoveButtonTo(event.location());
+  MoveButtonTo(gfx::ToFlooredPoint(event.location()));
   return true;
 }
 
 void Slider::OnMouseReleased(const ui::MouseEvent& event) {
   if (listener_)
     listener_->SliderDragEnded(this);
 }
 
 bool Slider::OnKeyPressed(const ui::KeyEvent& event) {
   if (orientation_ == HORIZONTAL) {
@@ skipping 22 matching lines @@
 }
 
 void Slider::OnBlur() {
   View::OnBlur();
   SchedulePaint();
 }
 
 void Slider::OnGestureEvent(ui::GestureEvent* event) {
   if (event->type() == ui::ET_GESTURE_SCROLL_BEGIN ||
       event->type() == ui::ET_GESTURE_TAP_DOWN) {
-    PrepareForMove(event->location());
-    MoveButtonTo(event->location());
+    PrepareForMove(gfx::ToFlooredPoint(event->location()));
+    MoveButtonTo(gfx::ToFlooredPoint(event->location()));
     event->SetHandled();
   } else if (event->type() == ui::ET_GESTURE_SCROLL_UPDATE ||
              event->type() == ui::ET_GESTURE_SCROLL_END) {
-    MoveButtonTo(event->location());
+    MoveButtonTo(gfx::ToFlooredPoint(event->location()));
     event->SetHandled();
   }
 }
 
 void Slider::AnimationProgressed(const gfx::Animation* animation) {
   animating_value_ = animation->CurrentValueBetween(animating_value_, value_);
   SchedulePaint();
 }
 
 void Slider::GetAccessibleState(ui::AXViewState* state) {
   state->role = ui::AX_ROLE_SLIDER;
   state->name = accessible_name_;
   state->value = base::UTF8ToUTF16(
       base::StringPrintf("%d%%", (int)(value_ * 100 + 0.5)));
 }
 
 }  // namespace views