[GPU] GLES2 lost context recovery

gpu/demos/framework/plugin.h

 // Copyright (c) 2010 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 GPU_DEMOS_FRAMEWORK_PLUGIN_H_
 #define GPU_DEMOS_FRAMEWORK_PLUGIN_H_
 
 #include "base/basictypes.h"
 #include "base/scoped_ptr.h"
 #include "gpu/demos/framework/demo.h"
@@ skipping 13 matching lines @@
   static NPClass* GetPluginClass();
 
   NPP npp() const { return npp_; }
   void New(NPMIMEType pluginType, int16 argc, char* argn[], char* argv[]);
   void SetWindow(const NPWindow& window);
 
   // Called by the browser to paint the window.
   void Paint();
 
  private:
+  void CreateContext();
+  void DestroyContext();
+
   // This class object needs to be safely casted to NPObject* and cross
   // c-c++ module boundaries. To accomplish that this class should not have
   // any virtual member function.
   NPP npp_;
 
   NPDevice* device3d_;
   NPDeviceContext3D context3d_;
   PGLContext pgl_context_;
   scoped_ptr<Demo> demo_;
 
   DISALLOW_COPY_AND_ASSIGN(Plugin);
 };
 
 extern NPNetscapeFuncs* g_browser;
 
 }  // namespace demos
 }  // namespace gpu
 #endif  // GPU_DEMOS_FRAMEWORK_PLUGIN_H_