Remove <canvas>

sky/engine/core/html/canvas/EXTBlendMinMax.cpp

-// Copyright 2014 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.
-
-#include "sky/engine/config.h"
-
-#include "sky/engine/core/html/canvas/EXTBlendMinMax.h"
-
-namespace blink {
-
-EXTBlendMinMax::EXTBlendMinMax(WebGLRenderingContextBase* context)
-    : WebGLExtension(context)
-{
-    context->extensionsUtil()->ensureExtensionEnabled("GL_EXT_blend_minmax");
-}
-
-EXTBlendMinMax::~EXTBlendMinMax()
-{
-}
-
-WebGLExtensionName EXTBlendMinMax::name() const
-{
-    return EXTBlendMinMaxName;
-}
-
-PassRefPtr<EXTBlendMinMax> EXTBlendMinMax::create(WebGLRenderingContextBase* context)
-{
-    return adoptRef(new EXTBlendMinMax(context));
-}
-
-bool EXTBlendMinMax::supported(WebGLRenderingContextBase* context)
-{
-    return context->extensionsUtil()->supportsExtension("GL_EXT_blend_minmax");
-}
-
-const char* EXTBlendMinMax::extensionName()
-{
-    return "EXT_blend_minmax";
-}
-
-} // namespace blink