Use dictionaries for context creation attributes. Eliminate custom bindings.

Source/core/html/canvas/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 15 matching lines @@
 #ifndef WebGLRenderingContextBase_h
 #define WebGLRenderingContextBase_h
 
 #include "bindings/core/v8/Nullable.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/ScriptValue.h"
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "core/dom/ActiveDOMObject.h"
 #include "core/dom/DOMTypedArray.h"
 #include "core/html/canvas/CanvasRenderingContext.h"
+#include "core/html/canvas/WebGLContextAttributes.h"
 #include "core/html/canvas/WebGLExtensionName.h"
 #include "core/html/canvas/WebGLVertexArrayObjectOES.h"
 #include "core/page/Page.h"
 #include "core/rendering/RenderBoxModelObject.h"
 #include "platform/Timer.h"
 #include "platform/graphics/GraphicsTypes3D.h"
 #include "platform/graphics/ImageBuffer.h"
 #include "platform/graphics/gpu/DrawingBuffer.h"
 #include "platform/graphics/gpu/Extensions3DUtil.h"
 #include "platform/graphics/gpu/WebGLImageConversion.h"
@@ skipping 27 matching lines @@
 class OESTextureFloatLinear;
 class OESTextureHalfFloat;
 class OESTextureHalfFloatLinear;
 class OESVertexArrayObject;
 class WebGLActiveInfo;
 class WebGLBuffer;
 class WebGLCompressedTextureATC;
 class WebGLCompressedTextureETC1;
 class WebGLCompressedTexturePVRTC;
 class WebGLCompressedTextureS3TC;
-class WebGLContextAttributes;
 class WebGLContextGroup;
 class WebGLContextObject;
 class WebGLDebugRendererInfo;
 class WebGLDebugShaders;
 class WebGLDepthTexture;
 class WebGLDrawBuffers;
 class WebGLExtension;
 class WebGLFramebuffer;
 class WebGLLoseContext;
 class WebGLObject;
@@ skipping 93 matching lines @@
     void framebufferTexture2D(GLenum target, GLenum attachment, GLenum textarget, WebGLTexture*, GLint level);
     void frontFace(GLenum mode);
     void generateMipmap(GLenum target);
 
     PassRefPtrWillBeRawPtr<WebGLActiveInfo> getActiveAttrib(WebGLProgram*, GLuint index);
     PassRefPtrWillBeRawPtr<WebGLActiveInfo> getActiveUniform(WebGLProgram*, GLuint index);
     bool getAttachedShaders(WebGLProgram*, WillBeHeapVector<RefPtrWillBeMember<WebGLShader>>&);
     Nullable<WillBeHeapVector<RefPtrWillBeMember<WebGLShader>>> getAttachedShaders(WebGLProgram*);
     GLint getAttribLocation(WebGLProgram*, const String& name);
     ScriptValue getBufferParameter(ScriptState*, GLenum target, GLenum pname);
-    PassRefPtrWillBeRawPtr<WebGLContextAttributes> getContextAttributes();
+    void getContextAttributes(Nullable<WebGLContextAttributes>&);
     GLenum getError();
     PassRefPtrWillBeRawPtr<WebGLExtension> getExtension(const String& name);
     ScriptValue getFramebufferAttachmentParameter(ScriptState*, GLenum target, GLenum attachment, GLenum pname);
     ScriptValue getParameter(ScriptState*, GLenum pname);
     ScriptValue getProgramParameter(ScriptState*, WebGLProgram*, GLenum pname);
     String getProgramInfoLog(WebGLProgram*);
     ScriptValue getRenderbufferParameter(ScriptState*, GLenum target, GLenum pname);
     ScriptValue getShaderParameter(ScriptState*, WebGLShader*, GLenum pname);
     String getShaderInfoLog(WebGLShader*);
     PassRefPtrWillBeRawPtr<WebGLShaderPrecisionFormat> getShaderPrecisionFormat(GLenum shaderType, GLenum precisionType);
@@ skipping 184 matching lines @@
     friend class OESVertexArrayObject;
     friend class WebGLDebugShaders;
     friend class WebGLCompressedTextureATC;
     friend class WebGLCompressedTextureETC1;
     friend class WebGLCompressedTexturePVRTC;
     friend class WebGLCompressedTextureS3TC;
     friend class WebGLRenderingContextErrorMessageCallback;
     friend class WebGLVertexArrayObjectOES;
     friend class ScopedTexture2DRestorer;
 
-    WebGLRenderingContextBase(HTMLCanvasElement*, PassOwnPtr<blink::WebGraphicsContext3D>, WebGLContextAttributes*);
+    WebGLRenderingContextBase(HTMLCanvasElement*, PassOwnPtr<blink::WebGraphicsContext3D>, const WebGLContextAttributes&);
     PassRefPtr<DrawingBuffer> createDrawingBuffer(PassOwnPtr<blink::WebGraphicsContext3D>);
     void initializeNewContext();
     void setupFlags();
 
 #if ENABLE(OILPAN)
     PassRefPtr<WebGLSharedWebGraphicsContext3D> sharedWebGraphicsContext3D() const;
 #endif
 
     // CanvasRenderingContext implementation.
     virtual bool is3d() const override { return true; }
@@ skipping 136 matching lines @@
     GLint m_maxColorAttachments;
     GLenum m_backDrawBuffer;
     bool m_drawBuffersWebGLRequirementsChecked;
     bool m_drawBuffersSupported;
 
     GLint m_packAlignment;
     GLint m_unpackAlignment;
     bool m_unpackFlipY;
     bool m_unpackPremultiplyAlpha;
     GLenum m_unpackColorspaceConversion;
-    RefPtrWillBeMember<WebGLContextAttributes> m_requestedAttributes;
+    WebGLContextAttributes m_requestedAttributes;
 
     GLfloat m_clearColor[4];
     bool m_scissorEnabled;
     GLfloat m_clearDepth;
     GLint m_clearStencil;
     GLboolean m_colorMask[4];
     GLboolean m_depthMask;
 
     bool m_stencilEnabled;
     GLuint m_stencilMask, m_stencilMaskBack;
@@ skipping 405 matching lines @@
     static IntSize oldestContextSize();
 };
 
 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