[wrapper-tracing] Add tracing to WebGLRenderingContextBase and friends

third_party/WebKit/Source/modules/webgl/WebGLVertexArrayObjectBase.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/WebGLVertexArrayObjectBase.h"
 
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "modules/webgl/WebGLRenderingContextBase.h"
 
 namespace blink {
@@ skipping 133 matching lines @@
         wrapper, m_arrayBufferList[i], isolate);
   }
 }
 
 DEFINE_TRACE(WebGLVertexArrayObjectBase) {
   visitor->trace(m_boundElementArrayBuffer);
   visitor->trace(m_arrayBufferList);
   WebGLContextObject::trace(visitor);
 }
 
+DEFINE_TRACE_WRAPPERS(WebGLVertexArrayObjectBase) {
+  visitor->traceWrappers(m_boundElementArrayBuffer);
+  for (size_t i = 0; i < m_arrayBufferList.size(); ++i) {
+    visitor->traceWrappers(m_arrayBufferList[i]);
+  }
+  WebGLContextObject::traceWrappers(visitor);
+}
+
 }  // namespace blink