Create 2272 release branch for CEF3.

git-svn-id: https://chromiumembedded.googlecode.com/svn/branches/2272@1993 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

libcef/browser/render_widget_host_view_osr_linux.cc

@@ -0,0 +1,25 @@
+// Copyright (c) 2014 The Chromium Embedded Framework Authors.
+// Portions 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 "libcef/browser/render_widget_host_view_osr.h"
+
+#include <X11/Xlib.h>
+
+#include "libcef/browser/browser_host_impl.h"
+#include "libcef/browser/window_x11.h"
+
+#include "ui/gfx/x/x11_types.h"
+
+void CefRenderWidgetHostViewOSR::PlatformCreateCompositorWidget() {
+  // Create a hidden 1x1 window. It will delete itself on close.
+  window_ = new CefWindowX11(NULL, None, gfx::Rect(0, 0, 1, 1));
+  compositor_widget_ = window_->xwindow();
+}
+
+void CefRenderWidgetHostViewOSR::PlatformDestroyCompositorWidget() {
+  DCHECK(window_);
+  window_->Close();
+  compositor_widget_ = gfx::kNullAcceleratedWidget;
+}