Remove <canvas>

sky/engine/core/html/canvas/WebGLContextObject.h

Index: sky/engine/core/html/canvas/WebGLContextObject.h
diff --git a/sky/engine/core/html/canvas/WebGLContextObject.h b/sky/engine/core/html/canvas/WebGLContextObject.h
deleted file mode 100644
index 459fc9f2a6c7f4a437e78c747f1c7af638206e5e..0000000000000000000000000000000000000000
--- a/sky/engine/core/html/canvas/WebGLContextObject.h
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * Copyright (C) 2011 Apple Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
- * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef SKY_ENGINE_CORE_HTML_CANVAS_WEBGLCONTEXTOBJECT_H_
-#define SKY_ENGINE_CORE_HTML_CANVAS_WEBGLCONTEXTOBJECT_H_
-
-#include "sky/engine/core/html/canvas/WebGLObject.h"
-
-namespace blink {
-class WebGraphicsContext3D;
-}
-
-namespace blink {
-
-class WebGLRenderingContextBase;
-class WebGLSharedWebGraphicsContext3D;
-
-// WebGLContextObject the base class for objects that are owned by a specific
-// WebGLRenderingContextBase.
-class WebGLContextObject : public WebGLObject {
-public:
-    virtual ~WebGLContextObject();
-
-    WebGLRenderingContextBase* context() const { return m_context; }
-
-    virtual bool validate(const WebGLContextGroup*, const WebGLRenderingContextBase* context) const override final
-    {
-        return context == m_context;
-    }
-
-    void detachContext();
-
-protected:
-    explicit WebGLContextObject(WebGLRenderingContextBase*);
-
-    virtual bool hasGroupOrContext() const override final
-    {
-        return m_context;
-    }
-
-    virtual blink::WebGraphicsContext3D* getAWebGraphicsContext3D() const override final;
-
-private:
-    WebGLRenderingContextBase* m_context;
-#if ENABLE(OILPAN)
-    RefPtr<WebGLSharedWebGraphicsContext3D> m_sharedWebGraphicsContext3D;
-#endif
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_HTML_CANVAS_WEBGLCONTEXTOBJECT_H_