Revert 146458 "[EFL][WebGL] Implement a common GraphicsSurface I..."

Source/WebCore/platform/graphics/efl/GraphicsContext3DPrivate.h

 /*
     Copyright (C) 2012 Samsung Electronics
     Copyright (C) 2012 Intel Corporation. All rights reserved.
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
@@ skipping 41 matching lines @@
 #endif
 #if USE(GRAPHICS_SURFACE)
     virtual IntSize platformLayerSize() const OVERRIDE;
     virtual uint32_t copyToGraphicsSurface() OVERRIDE;
     virtual GraphicsSurfaceToken graphicsSurfaceToken() const OVERRIDE;
     void didResizeCanvas(const IntSize&);
 #endif
     bool makeContextCurrent() const;
 
 private:
-#if USE(GRAPHICS_SURFACE)
-    enum PendingOperation {
-        Default = 0x00, // No Pending Operation.
-        CreateSurface = 0x01,
-        Resize = 0x02,
-        DeletePreviousSurface = 0x04
-    };
-
-    typedef unsigned PendingSurfaceOperation;
-#endif
-
     GraphicsContext3DPrivate(GraphicsContext3D*, HostWindow*);
     bool initialize();
-    void createGraphicsSurface();
     bool prepareBuffer() const;
     void releaseResources();
-
+#if USE(GRAPHICS_SURFACE)
+    bool makeSharedContextCurrent() const;
+#endif
     GraphicsContext3D* m_context;
     HostWindow* m_hostWindow;
     OwnPtr<GLPlatformContext> m_offScreenContext;
     OwnPtr<GLPlatformSurface> m_offScreenSurface;
 #if USE(GRAPHICS_SURFACE)
+    OwnPtr<GLPlatformContext> m_sharedContext;
+    OwnPtr<GLPlatformSurface> m_sharedSurface;
     GraphicsSurfaceToken m_surfaceHandle;
-    RefPtr<GraphicsSurface> m_graphicsSurface;
-    RefPtr<GraphicsSurface> m_previousGraphicsSurface;
-    PendingSurfaceOperation m_surfaceOperation : 3;
 #endif
     OwnPtr<GraphicsContext3D::ContextLostCallback> m_contextLostCallback;
     ListHashSet<GC3Denum> m_syntheticErrors;
     IntSize m_size;
-    IntRect m_targetRect;
 };
 
 } // namespace WebCore
 
 #endif
 
 #endif
+