Remove <canvas>

sky/engine/core/html/canvas/WebGLCompressedTextureETC1.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/WebGLCompressedTextureETC1.h"
-
-#include "sky/engine/core/html/canvas/WebGLRenderingContextBase.h"
-
-namespace blink {
-
-WebGLCompressedTextureETC1::WebGLCompressedTextureETC1(WebGLRenderingContextBase* context)
-    : WebGLExtension(context)
-{
-    context->addCompressedTextureFormat(GL_ETC1_RGB8_OES);
-}
-
-WebGLCompressedTextureETC1::~WebGLCompressedTextureETC1()
-{
-}
-
-WebGLExtensionName WebGLCompressedTextureETC1::name() const
-{
-    return WebGLCompressedTextureETC1Name;
-}
-
-PassRefPtr<WebGLCompressedTextureETC1> WebGLCompressedTextureETC1::create(WebGLRenderingContextBase* context)
-{
-    return adoptRef(new WebGLCompressedTextureETC1(context));
-}
-
-bool WebGLCompressedTextureETC1::supported(WebGLRenderingContextBase* context)
-{
-    Extensions3DUtil* extensionsUtil = context->extensionsUtil();
-    return extensionsUtil->supportsExtension("GL_OES_compressed_ETC1_RGB8_texture");
-}
-
-const char* WebGLCompressedTextureETC1::extensionName()
-{
-    return "WEBGL_compressed_texture_etc1";
-}
-
-} // namespace blink