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

chrome/browser/ui/views/panels/panel_frame_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 "chrome/browser/ui/views/panels/panel_frame_view.h"
 
 #include "chrome/browser/ui/panels/panel.h"
 #include "chrome/browser/ui/panels/panel_constants.h"
 #include "chrome/browser/ui/views/panels/panel_view.h"
 #include "chrome/browser/ui/views/tab_icon_view.h"
@@ skipping 543 matching lines @@
 void PanelFrameView::OnPaint(gfx::Canvas* canvas) {
   UpdateControlStyles(GetPaintState());
   PaintFrameBackground(canvas);
   PaintFrameEdge(canvas);
 }
 
 bool PanelFrameView::OnMousePressed(const ui::MouseEvent& event) {
   if (event.IsOnlyLeftMouseButton()) {
     // |event.location| is in the view's coordinate system. Convert it to the
     // screen coordinate system.
-    gfx::Point mouse_location = event.location();
+    gfx::Point mouse_location = gfx::ToFlooredPoint(event.location());
     views::View::ConvertPointToScreen(this, &mouse_location);
 
     // If the mouse location falls within the resizing area of the titlebar,
     // do not handle the event so that the system resizing logic could kick in.
     if (!panel_view_->IsWithinResizingArea(mouse_location) &&
         panel_view_->OnTitlebarMousePressed(mouse_location))
       return true;
   }
   return NonClientFrameView::OnMousePressed(event);
 }
 
 bool PanelFrameView::OnMouseDragged(const ui::MouseEvent& event) {
 #if defined(OS_LINUX) && !defined(OS_CHROMEOS)
   // Converting the mouse location to screen coordinates returns an incorrect
   // location while the panel is moving. See crbug.com/353393 for more details.
   // TODO(pkotwicz): Fix conversion to screen coordinates
   gfx::Screen* screen = gfx::Screen::GetNativeScreen();
   gfx::Point mouse_location = screen->GetCursorScreenPoint();
 #else
   // |event.location| is in the view's coordinate system. Convert it to the
   // screen coordinate system.
-  gfx::Point mouse_location = event.location();
+  gfx::Point mouse_location = gfx::ToFlooredPoint(event.location());
   views::View::ConvertPointToScreen(this, &mouse_location);
 #endif
 
   if (panel_view_->OnTitlebarMouseDragged(mouse_location))
     return true;
   return NonClientFrameView::OnMouseDragged(event);
 }
 
 void PanelFrameView::OnMouseReleased(const ui::MouseEvent& event) {
   if (panel_view_->OnTitlebarMouseReleased(
@@ skipping 162 matching lines @@
 
   // Draw the left border.
   canvas->TileImageInt(left_image,
                        0,
                        top_left_image.height(),
                        left_image.width(),
                        height() - top_left_image.height() -
                            bottom_left_image.height());
 #endif
 }