Remove <canvas>

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

Index: sky/engine/core/html/canvas/WebGLLoseContext.h
diff --git a/sky/engine/core/html/canvas/WebGLLoseContext.h b/sky/engine/core/html/canvas/WebGLLoseContext.h
deleted file mode 100644
index 8654eb6afbd6ed1c67f630a1eb47d00b11984534..0000000000000000000000000000000000000000
--- a/sky/engine/core/html/canvas/WebGLLoseContext.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright (C) 2010 Google 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 AND ITS CONTRIBUTORS "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 OR ITS 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_WEBGLLOSECONTEXT_H_
-#define SKY_ENGINE_CORE_HTML_CANVAS_WEBGLLOSECONTEXT_H_
-
-#include "sky/engine/tonic/dart_wrappable.h"
-#include "sky/engine/core/html/canvas/WebGLExtension.h"
-#include "sky/engine/wtf/PassRefPtr.h"
-
-namespace blink {
-
-class WebGLRenderingContextBase;
-
-class WebGLLoseContext final : public WebGLExtension, public DartWrappable {
-    DEFINE_WRAPPERTYPEINFO();
-public:
-    static PassRefPtr<WebGLLoseContext> create(WebGLRenderingContextBase*);
-    static bool supported(WebGLRenderingContextBase*);
-    static const char* extensionName();
-
-    virtual ~WebGLLoseContext();
-    virtual WebGLExtensionName name() const override;
-    virtual void lose(bool) override;
-
-    void loseContext();
-    void restoreContext();
-
-private:
-    explicit WebGLLoseContext(WebGLRenderingContextBase*);
-};
-
-} // namespace blink
-
-#endif  // SKY_ENGINE_CORE_HTML_CANVAS_WEBGLLOSECONTEXT_H_