Implement WEBGL_compressed_texture_s3tc_srgb

third_party/WebKit/Source/modules/webgl/WebGLCompressedTextureS3TCsRGB.h

Index: third_party/WebKit/Source/modules/webgl/WebGLCompressedTextureS3TCsRGB.h
diff --git a/third_party/WebKit/Source/modules/webgl/WebGLCompressedTextureS3TCsRGB.h b/third_party/WebKit/Source/modules/webgl/WebGLCompressedTextureS3TCsRGB.h
new file mode 100644
index 0000000000000000000000000000000000000000..c64b6fb51f7341063412283d6c673bbaf5e148df
--- /dev/null
+++ b/third_party/WebKit/Source/modules/webgl/WebGLCompressedTextureS3TCsRGB.h
@@ -0,0 +1,28 @@
+// Copyright 2016 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.
+
+#ifndef WebGLCompressedTextureS3TCsRGB_h
+#define WebGLCompressedTextureS3TCsRGB_h
+
+#include "modules/webgl/WebGLExtension.h"
+
+namespace blink {
+
+class WebGLCompressedTextureS3TCsRGB final : public WebGLExtension {
+    DEFINE_WRAPPERTYPEINFO();
+public:
+    static WebGLCompressedTextureS3TCsRGB* create(WebGLRenderingContextBase*);
+    static bool supported(WebGLRenderingContextBase*);
+    static const char* extensionName();
+
+    ~WebGLCompressedTextureS3TCsRGB() override;
+    WebGLExtensionName name() const override;
+
+private:
+    explicit WebGLCompressedTextureS3TCsRGB(WebGLRenderingContextBase*);
+};
+
+} // namespace blink
+
+#endif // WebGLCompressedTextureS3TCsRGB_h