diff -r 000000000000 -r 6474c204b198 gfx/gl/GLContextWGL.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gfx/gl/GLContextWGL.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,78 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/* vim: set ts=8 sts=4 et sw=4 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef GLCONTEXTWGL_H_
+#define GLCONTEXTWGL_H_
+
+#include "GLContext.h"
+#include "WGLLibrary.h"
+
+namespace mozilla {
+namespace gl {
+
+class GLContextWGL : public GLContext
+{
+public:
+    MOZ_DECLARE_REFCOUNTED_VIRTUAL_TYPENAME(GLContextWGL)
+    // From Window: (possibly for offscreen!)
+    GLContextWGL(const SurfaceCaps& caps,
+                 GLContext* sharedContext,
+                 bool isOffscreen,
+                 HDC aDC,
+                 HGLRC aContext,
+                 HWND aWindow = nullptr);
+
+    // From PBuffer
+    GLContextWGL(const SurfaceCaps& caps,
+                 GLContext* sharedContext,
+                 bool isOffscreen,
+                 HANDLE aPbuffer,
+                 HDC aDC,
+                 HGLRC aContext,
+                 int aPixelFormat);
+
+    ~GLContextWGL();
+
+    virtual GLContextType GetContextType() const MOZ_OVERRIDE { return GLContextType::WGL; }
+
+    static GLContextWGL* Cast(GLContext* gl) {
+        MOZ_ASSERT(gl->GetContextType() == GLContextType::WGL);
+        return static_cast<GLContextWGL*>(gl);
+    }
+
+    bool Init() MOZ_OVERRIDE;
+
+    virtual bool MakeCurrentImpl(bool aForce) MOZ_OVERRIDE;
+
+    virtual bool IsCurrent() MOZ_OVERRIDE;
+
+    void SetIsDoubleBuffered(bool aIsDB);
+
+    virtual bool IsDoubleBuffered() const MOZ_OVERRIDE;
+
+    virtual bool SupportsRobustness() const MOZ_OVERRIDE;
+
+    virtual bool SwapBuffers() MOZ_OVERRIDE;
+
+    virtual bool SetupLookupFunction() MOZ_OVERRIDE;
+
+    HGLRC Context() { return mContext; }
+
+protected:
+    friend class GLContextProviderWGL;
+
+    HDC mDC;
+    HGLRC mContext;
+    HWND mWnd;
+    HANDLE mPBuffer;
+    int mPixelFormat;
+    bool mIsDoubleBuffered;
+};
+
+}
+}
+
+#endif // GLCONTEXTWGL_H_