blink: Cleanup class/struct forward declarations

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 50 matching lines @@
 namespace gpu {
 namespace gles2 {
 class GLES2Interface;
 }
 }
 
 namespace blink {
 
 class EXTDisjointTimerQuery;
 class EXTDisjointTimerQueryWebGL2;
-class EXTsRGB;
 class ExceptionState;
 class HTMLCanvasElementOrOffscreenCanvas;
 class HTMLImageElement;
 class HTMLVideoElement;
 class ImageBitmap;
 class ImageBuffer;
 class ImageData;
 class IntSize;
-class OESTextureFloat;
-class OESTextureHalfFloat;
 class OESVertexArrayObject;
 class WebGLActiveInfo;
 class WebGLBuffer;
 class WebGLCompressedTextureASTC;
 class WebGLCompressedTextureATC;
 class WebGLCompressedTextureETC;
 class WebGLCompressedTextureETC1;
 class WebGLCompressedTexturePVRTC;
 class WebGLCompressedTextureS3TC;
 class WebGLCompressedTextureS3TCsRGB;
 class WebGLContextGroup;
 class WebGLContextObject;
 class WebGLDebugShaders;
-class WebGLDepthTexture;
 class WebGLDrawBuffers;
 class WebGLExtension;
 class WebGLFramebuffer;
 class WebGLObject;
 class WebGLProgram;
 class WebGLRenderbuffer;
 class WebGLShader;
 class WebGLShaderPrecisionFormat;
 class WebGLSharedObject;
 class WebGLUniformLocation;
@@ skipping 1567 matching lines @@
                   context,
                   context->is3d(),
                   context.is3d());
 
 }  // namespace blink
 
 WTF_ALLOW_MOVE_INIT_AND_COMPARE_WITH_MEM_FUNCTIONS(
     blink::WebGLRenderingContextBase::TextureUnitState);
 
 #endif  // WebGLRenderingContextBase_h