Add gfx::Screen::IsEnabled()

ui/gfx/screen_gtk.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/gfx/screen.h"
 
 #include <gdk/gdkx.h>
 #include <gtk/gtk.h>
 
 #include "base/logging.h"
@@ skipping 58 matching lines @@
   GdkRectangle bounds;
   gdk_screen_get_monitor_geometry(screen, monitor_num, &bounds);
   return gfx::Rect(bounds);
 }
 
 }  // namespace
 
 namespace gfx {
 
 // static
+bool Screen::IsDIPEnabled() {
+  return false;
+}
+
+// static
 gfx::Point Screen::GetCursorScreenPoint() {
   gint x, y;
   gdk_display_get_pointer(gdk_display_get_default(), NULL, &x, &y, NULL);
   return gfx::Point(x, y);
 }
 
 // static
 gfx::NativeWindow Screen::GetWindowAtCursorScreenPoint() {
   GdkWindow* window = gdk_window_at_pointer(NULL, NULL);
   if (!window)
@@ skipping 57 matching lines @@
 
 // static
 int Screen::GetNumMonitors() {
   // This query is kinda bogus for Linux -- do we want number of X screens?
   // The number of monitors Xinerama has?  We'll just use whatever GDK uses.
   GdkScreen* screen = gdk_screen_get_default();
   return gdk_screen_get_n_monitors(screen);
 }
 
 }  // namespace gfx