Destroy XServerPixelBuffer before closing X Display.

remoting/host/capturer_linux.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 "remoting/host/capturer.h"
 
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/extensions/Xdamage.h>
 
@@ skipping 408 matching lines @@
     }
   }
 }
 
 void CapturerLinux::DeinitXlib() {
   if (gc_) {
     XFreeGC(display_, gc_);
     gc_ = NULL;
   }
 
+  x_server_pixel_buffer_.Release();
+
   if (display_) {
     if (damage_handle_)
       XDamageDestroy(display_, damage_handle_);
     if (damage_region_)
       XFixesDestroyRegion(display_, damage_region_);
     XCloseDisplay(display_);
     display_ = NULL;
     damage_handle_ = 0;
     damage_region_ = 0;
   }
@@ skipping 102 matching lines @@
   }
   return capturer;
 }
 
 // static
 void Capturer::EnableXDamage(bool enable) {
   g_should_use_x_damage = enable;
 }
 
 }  // namespace remoting