Delete the GTK+ port of Chrome.

ui/base/gtk/gtk_screen_util.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/base/gtk/gtk_screen_util.h"
-
-#include "base/logging.h"
-
-namespace ui {
-
-bool IsScreenComposited() {
-  GdkScreen* screen = gdk_screen_get_default();
-  return gdk_screen_is_composited(screen) == TRUE;
-}
-
-gfx::Point ScreenPoint(GtkWidget* widget) {
-  int x, y;
-  gdk_display_get_pointer(gtk_widget_get_display(widget), NULL, &x, &y,
-                          NULL);
-  return gfx::Point(x, y);
-}
-
-gfx::Point ClientPoint(GtkWidget* widget) {
-  int x, y;
-  gtk_widget_get_pointer(widget, &x, &y);
-  return gfx::Point(x, y);
-}
-
-gfx::Vector2d GetWidgetScreenOffset(GtkWidget* widget) {
-  GdkWindow* window = gtk_widget_get_window(widget);
-
-  if (!window) {
-    NOTREACHED() << "Must only be called on realized widgets.";
-    return gfx::Vector2d(0, 0);
-  }
-
-  gint x, y;
-  gdk_window_get_origin(window, &x, &y);
-
-  if (!gtk_widget_get_has_window(widget)) {
-    GtkAllocation allocation;
-    gtk_widget_get_allocation(widget, &allocation);
-    x += allocation.x;
-    y += allocation.y;
-  }
-
-  return gfx::Vector2d(x, y);
-}
-
-gfx::Rect GetWidgetScreenBounds(GtkWidget* widget) {
-  GtkAllocation allocation;
-  gtk_widget_get_allocation(widget, &allocation);
-
-  return gfx::Rect(PointAtOffsetFromOrigin(GetWidgetScreenOffset(widget)),
-                   gfx::Size(allocation.width, allocation.height));
-}
-
-}  // namespace ui