Aura/ash split: Don't use X11 window borders.

ui/views/widget/x11_window_event_filter.h

Index: ui/views/widget/x11_window_event_filter.h
diff --git a/ui/views/widget/x11_window_event_filter.h b/ui/views/widget/x11_window_event_filter.h
new file mode 100644
index 0000000000000000000000000000000000000000..eaa6eca3f8109fb735d866d42c837a99c7f86813
--- /dev/null
+++ b/ui/views/widget/x11_window_event_filter.h
@@ -0,0 +1,64 @@
+// 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.
+
+#ifndef UI_VIEWS_WIDGET_X11_WINDOW_EVENT_FILTER_H_
+#define UI_VIEWS_WIDGET_X11_WINDOW_EVENT_FILTER_H_
+#pragma once
+
+#include <X11/Xlib.h>
+// Get rid of a macro from Xlib.h that conflicts with Aura's RootWindow class.
+#undef RootWindow
+
+#include "base/compiler_specific.h"
+#include "ui/aura/event.h"
+#include "ui/aura/event_filter.h"
+#include "ui/views/views_export.h"
+
+namespace aura {
+class RootWindow;
+}
+
+namespace views {
+
+// An EventFilter that sets properties on X11 windows.
+class VIEWS_EXPORT X11WindowEventFilter : public aura::EventFilter {
+ public:
+  explicit X11WindowEventFilter(aura::RootWindow* root_window);
+  virtual ~X11WindowEventFilter();
+
+  // Changes whether borders are shown on this |root_window|.
+  void SetUseHostWindowBorders(bool use_os_border);
+
+  // Overridden from EventFilter:
+  virtual bool PreHandleKeyEvent(aura::Window* target,
+                                 aura::KeyEvent* event) OVERRIDE;
+  virtual bool PreHandleMouseEvent(aura::Window* target,
+                                   aura::MouseEvent* event) OVERRIDE;
+  virtual ui::TouchStatus PreHandleTouchEvent(aura::Window* target,
+                                              aura::TouchEvent* event) OVERRIDE;
+  virtual ui::GestureStatus PreHandleGestureEvent(
+      aura::Window* target,
+      aura::GestureEvent* event) OVERRIDE;
+
+ private:
+  // Dispatches a _NET_WM_MOVERESIZE message to the window manager to tell it
+  // to act as if a border or titlebar drag occurred.
+  bool DispatchHostWindowDragMovement(int hittest,
+                                      const gfx::Point& screen_location);
+
+  aura::RootWindow* root_window_;
+
+  // The display and the native X window hosting the root window.
+  Display* xdisplay_;
+  ::Window xwindow_;
+
+  // The native root window.
+  ::Window x_root_window_;
+
+  DISALLOW_COPY_AND_ASSIGN(X11WindowEventFilter);
+};
+
+}  // namespace views
+
+#endif  // UI_VIEWS_WIDGET_X11_WINDOW_EVENT_FILTER_H_