gate webgl2 draft extensions behind enable-webgl-draft-extensions

third_party/WebKit/Source/modules/webgl/WebGL2RenderingContext.cpp

 // Copyright 2015 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 "modules/webgl/WebGL2RenderingContext.h"
 
 #include "bindings/modules/v8/OffscreenCanvasRenderingContext2DOrWebGLRenderingContextOrWebGL2RenderingContext.h"
 #include "bindings/modules/v8/RenderingContext.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
@@ skipping 88 matching lines @@
   result.setWebGL2RenderingContext(this);
 }
 
 ImageBitmap* WebGL2RenderingContext::transferToImageBitmap(
     ScriptState* scriptState) {
   NOTIMPLEMENTED();
   return nullptr;
 }
 
 void WebGL2RenderingContext::registerContextExtensions() {
-  // TODO(kainino): add DraftExtension flag to some of these before WebGL 2
-  // is rolled out.
-  // https://bugs.chromium.org/p/chromium/issues/detail?id=647892
-
   // Register extensions.
   registerExtension<EXTColorBufferFloat>(m_extColorBufferFloat);
   registerExtension<EXTDisjointTimerQueryWebGL2>(m_extDisjointTimerQueryWebGL2);
   registerExtension<EXTTextureFilterAnisotropic>(m_extTextureFilterAnisotropic);
   registerExtension<OESTextureFloatLinear>(m_oesTextureFloatLinear);
-  registerExtension<WebGLCompressedTextureASTC>(m_webglCompressedTextureASTC);
+  registerExtension<WebGLCompressedTextureASTC>(m_webglCompressedTextureASTC,
+                                                DraftExtension);
   registerExtension<WebGLCompressedTextureATC>(m_webglCompressedTextureATC);
   registerExtension<WebGLCompressedTextureETC>(m_webglCompressedTextureETC);
   registerExtension<WebGLCompressedTextureETC1>(m_webglCompressedTextureETC1);
   registerExtension<WebGLCompressedTexturePVRTC>(m_webglCompressedTexturePVRTC);
   registerExtension<WebGLCompressedTextureS3TC>(m_webglCompressedTextureS3TC);
   registerExtension<WebGLCompressedTextureS3TCsRGB>(
-      m_webglCompressedTextureS3TCsRGB);
+      m_webglCompressedTextureS3TCsRGB, DraftExtension);
   registerExtension<WebGLDebugRendererInfo>(m_webglDebugRendererInfo);
   registerExtension<WebGLDebugShaders>(m_webglDebugShaders);
   registerExtension<WebGLLoseContext>(m_webglLoseContext);
 }
 
 DEFINE_TRACE(WebGL2RenderingContext) {
   visitor->trace(m_extColorBufferFloat);
   visitor->trace(m_extDisjointTimerQueryWebGL2);
   visitor->trace(m_extTextureFilterAnisotropic);
   visitor->trace(m_oesTextureFloatLinear);
   visitor->trace(m_webglCompressedTextureASTC);
   visitor->trace(m_webglCompressedTextureATC);
   visitor->trace(m_webglCompressedTextureETC);
   visitor->trace(m_webglCompressedTextureETC1);
   visitor->trace(m_webglCompressedTexturePVRTC);
   visitor->trace(m_webglCompressedTextureS3TC);
   visitor->trace(m_webglCompressedTextureS3TCsRGB);
   visitor->trace(m_webglDebugRendererInfo);
   visitor->trace(m_webglDebugShaders);
   visitor->trace(m_webglLoseContext);
   WebGL2RenderingContextBase::trace(visitor);
 }
 
 DEFINE_TRACE_WRAPPERS(WebGL2RenderingContext) {
   // Extensions are managed by WebGL2RenderingContextBase.
   WebGL2RenderingContextBase::traceWrappers(visitor);
 }
 
 }  // namespace blink