Remove <canvas>

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

Index: sky/engine/core/html/canvas/WebGLDepthTexture.cpp
diff --git a/sky/engine/core/html/canvas/WebGLDepthTexture.cpp b/sky/engine/core/html/canvas/WebGLDepthTexture.cpp
deleted file mode 100644
index fe069d188342ade656bca8dc2eb0c46216117673..0000000000000000000000000000000000000000
--- a/sky/engine/core/html/canvas/WebGLDepthTexture.cpp
+++ /dev/null
@@ -1,70 +0,0 @@
-/*
- * Copyright (C) 2012 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.
- */
-
-#include "sky/engine/config.h"
-
-#include "sky/engine/core/html/canvas/WebGLDepthTexture.h"
-
-namespace blink {
-
-WebGLDepthTexture::WebGLDepthTexture(WebGLRenderingContextBase* context)
-    : WebGLExtension(context)
-{
-    context->extensionsUtil()->ensureExtensionEnabled("GL_CHROMIUM_depth_texture");
-}
-
-WebGLDepthTexture::~WebGLDepthTexture()
-{
-}
-
-WebGLExtensionName WebGLDepthTexture::name() const
-{
-    return WebGLDepthTextureName;
-}
-
-PassRefPtr<WebGLDepthTexture> WebGLDepthTexture::create(WebGLRenderingContextBase* context)
-{
-    return adoptRef(new WebGLDepthTexture(context));
-}
-
-bool WebGLDepthTexture::supported(WebGLRenderingContextBase* context)
-{
-    Extensions3DUtil* extensionsUtil = context->extensionsUtil();
-    // Emulating the UNSIGNED_INT_24_8_WEBGL texture internal format in terms
-    // of two separate texture objects is too difficult, so disable depth
-    // textures unless a packed depth/stencil format is available.
-    if (!extensionsUtil->supportsExtension("GL_OES_packed_depth_stencil"))
-        return false;
-    return extensionsUtil->supportsExtension("GL_CHROMIUM_depth_texture")
-        || extensionsUtil->supportsExtension("GL_OES_depth_texture")
-        || extensionsUtil->supportsExtension("GL_ARB_depth_texture");
-}
-
-const char* WebGLDepthTexture::extensionName()
-{
-    return "WEBGL_depth_texture";
-}
-
-} // namespace blink