Fix panel dragging on Linux Aura

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"
 #include "content/public/browser/web_contents.h"
 #include "grit/generated_resources.h"
 #include "grit/theme_resources.h"
 #include "grit/ui_resources.h"
 #include "ui/base/hit_test.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/font_list.h"
 #include "ui/gfx/path.h"
+#include "ui/gfx/screen.h"
 #include "ui/views/controls/button/image_button.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
 
 #if defined(OS_WIN)
 #include "base/win/scoped_gdi_object.h"
 #include "ui/base/win/shell.h"
 #include "ui/gfx/path_win.h"
 #include "ui/views/win/hwnd_util.h"
@@ skipping 540 matching lines @@
     // 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();
   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(
           event.IsControlDown() ? panel::APPLY_TO_ALL : panel::NO_MODIFIER))
     return;
@@ skipping 160 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
 }