[wrapper-tracing] WebGL and friends: Add write barriers

third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.h

 // 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.
 
 #ifndef WebGL2RenderingContextBase_h
 #define WebGL2RenderingContextBase_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "modules/webgl/WebGLExtension.h"
 #include "modules/webgl/WebGLRenderingContextBase.h"
@@ skipping 841 matching lines @@
   void visitChildDOMWrappers(v8::Isolate*,
                              const v8::Persistent<v8::Object>&) override;
 
   void renderbufferStorageHelper(GLenum target,
                                  GLsizei samples,
                                  GLenum internalformat,
                                  GLsizei width,
                                  GLsizei height,
                                  const char* functionName);
 
-  Member<WebGLFramebuffer> m_readFramebufferBinding;
-  Member<WebGLTransformFeedback> m_transformFeedbackBinding;
+  TraceWrapperMember<WebGLFramebuffer> m_readFramebufferBinding;
+  TraceWrapperMember<WebGLTransformFeedback> m_transformFeedbackBinding;
 
   std::set<GLenum> m_supportedInternalFormatsStorage;
   std::set<GLenum> m_compressedTextureFormatsETC2EAC;
 
-  Member<WebGLBuffer> m_boundCopyReadBuffer;
-  Member<WebGLBuffer> m_boundCopyWriteBuffer;
-  Member<WebGLBuffer> m_boundPixelPackBuffer;
-  Member<WebGLBuffer> m_boundPixelUnpackBuffer;
-  Member<WebGLBuffer> m_boundTransformFeedbackBuffer;
-  Member<WebGLBuffer> m_boundUniformBuffer;
+  TraceWrapperMember<WebGLBuffer> m_boundCopyReadBuffer;
+  TraceWrapperMember<WebGLBuffer> m_boundCopyWriteBuffer;
+  TraceWrapperMember<WebGLBuffer> m_boundPixelPackBuffer;
+  TraceWrapperMember<WebGLBuffer> m_boundPixelUnpackBuffer;
+  TraceWrapperMember<WebGLBuffer> m_boundTransformFeedbackBuffer;
+  TraceWrapperMember<WebGLBuffer> m_boundUniformBuffer;
 
-  HeapVector<Member<WebGLBuffer>> m_boundIndexedTransformFeedbackBuffers;
-  HeapVector<Member<WebGLBuffer>> m_boundIndexedUniformBuffers;
+  HeapVector<TraceWrapperMember<WebGLBuffer>>
+      m_boundIndexedTransformFeedbackBuffers;
+  HeapVector<TraceWrapperMember<WebGLBuffer>> m_boundIndexedUniformBuffers;
   GLint m_maxTransformFeedbackSeparateAttribs;
   size_t m_maxBoundUniformBufferIndex;
 
-  Member<WebGLQuery> m_currentBooleanOcclusionQuery;
-  Member<WebGLQuery> m_currentTransformFeedbackPrimitivesWrittenQuery;
-  HeapVector<Member<WebGLSampler>> m_samplerUnits;
+  TraceWrapperMember<WebGLQuery> m_currentBooleanOcclusionQuery;
+  TraceWrapperMember<WebGLQuery>
+      m_currentTransformFeedbackPrimitivesWrittenQuery;
+  HeapVector<TraceWrapperMember<WebGLSampler>> m_samplerUnits;
 
   GLint m_packRowLength;
   GLint m_packSkipPixels;
   GLint m_packSkipRows;
   GLint m_unpackRowLength;
   GLint m_unpackImageHeight;
   GLint m_unpackSkipPixels;
   GLint m_unpackSkipRows;
   GLint m_unpackSkipImages;
 
   HeapHashSet<Member<WebGLGetBufferSubDataAsyncCallback>>
       m_getBufferSubDataAsyncCallbacks;
 };
 
 DEFINE_TYPE_CASTS(WebGL2RenderingContextBase,
                   CanvasRenderingContext,
                   context,
                   context->is3d() &&
                       WebGLRenderingContextBase::getWebGLVersion(context) >= 2,
                   context.is3d() &&
                       WebGLRenderingContextBase::getWebGLVersion(&context) >=
                           2);
 
 }  // namespace blink
 
 #endif