Remove setErrorMessageCallback from WebGraphicsContext3D.

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

 /*
  * Copyright (C) 2009 Apple 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
@@ skipping 448 matching lines @@
     WebLayer* platformLayer() const override;
     void stop() override;
 
     void addSharedObject(WebGLSharedObject*);
     void addContextObject(WebGLContextObject*);
     void detachAndRemoveAllObjects();
 
     void destroyContext();
     void markContextChanged(ContentChangeType);
 
+    void onErrorMessage(const char*, int32_t id);
+
     void notifyCanvasContextChanged();
 
     // Query if depth_stencil buffer is supported.
     bool isDepthStencilSupported() { return m_isDepthStencilSupported; }
 
     // Helper to return the size in bytes of OpenGL data types
     // like GL_FLOAT, GL_INT, etc.
     unsigned sizeInBytes(GLenum type) const;
 
     // Check if each enabled vertex attribute is bound to a buffer.
@@ skipping 28 matching lines @@
     // This is used for synthetic, WEBGL_lose_context and real context losses. For real ones, it's
     // likely that there's no JavaScript on the stack, but that might be dependent
     // on how exactly the platform discovers that the context was lost. For better
     // portability we always defer the dispatch of the event.
     Timer<WebGLRenderingContextBase> m_dispatchContextLostEventTimer;
     bool m_restoreAllowed;
     Timer<WebGLRenderingContextBase> m_restoreTimer;
 
     bool m_markedCanvasDirty;
     HeapHashSet<WeakMember<WebGLContextObject>> m_contextObjects;
-    Member<WebGLRenderingContextErrorMessageCallback> m_errorMessageCallbackAdapter;
 
     // List of bound VBO's. Used to maintain info about sizes for ARRAY_BUFFER and stored values for ELEMENT_ARRAY_BUFFER
     Member<WebGLBuffer> m_boundArrayBuffer;
 
     Member<WebGLVertexArrayObjectBase> m_defaultVertexArrayObject;
     Member<WebGLVertexArrayObjectBase> m_boundVertexArrayObject;
     bool m_preservedDefaultVAOObjectWrapper;
     void setBoundVertexArrayObject(ScriptState*, WebGLVertexArrayObjectBase*);
 
     enum VertexAttribValueType {
@@ skipping 553 matching lines @@
     CrossThreadWeakPersistentThisPointer<WebGLRenderingContextBase> createWeakThisPointer() { return CrossThreadWeakPersistentThisPointer<WebGLRenderingContextBase>(this); }
 };
 
 DEFINE_TYPE_CASTS(WebGLRenderingContextBase, CanvasRenderingContext, context, context->is3d(), context.is3d());
 
 } // namespace blink
 
 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(blink::WebGLRenderingContextBase::TextureUnitState);
 
 #endif // WebGLRenderingContextBase_h