Unify validation for TexSubImage{2D|3D}

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 823 matching lines @@
 
     // Convert texture internal format.
     GLenum convertTexInternalFormat(GLenum internalformat, GLenum type);
 
     void texImage2DBase(GLenum target, GLint level, GLenum internalformat, GLsizei width, GLsizei height, GLint border, GLenum format, GLenum type, const void* pixels);
     void texImage2DImpl(GLenum target, GLint level, GLenum internalformat, GLenum format, GLenum type, Image*, WebGLImageConversion::ImageHtmlDomSource, bool flipY, bool premultiplyAlpha);
     void texSubImage2DBase(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void* pixels);
     void texSubImage2DImpl(GLenum target, GLint level, GLint xoffset, GLint yoffset, GLenum format, GLenum type, Image*, WebGLImageConversion::ImageHtmlDomSource, bool flipY, bool premultiplyAlpha);
 
     enum TexImageFunctionType {
-        NotTexSubImage2D,
-        TexSubImage2D
+        NotTexSubImage,
+        TexSubImage
     };
     enum TexImageByGPUType {
         TexImage2DByGPU,
         TexSubImage2DByGPU,
         TexSubImage3DByGPU
     };
     // Copy from the canvas element directly to the texture via the GPU, without a read-back to system memory.
     void texImageCanvasByGPU(TexImageByGPUType, WebGLTexture*, GLenum target, GLint level,
         GLenum internalformat, GLenum type, GLint xoffset, GLint yoffset, GLint zoffset, HTMLCanvasElement*);
     bool canUseTexImageCanvasByGPU(GLenum internalformat, GLenum type);
@@ skipping 292 matching lines @@
     static WebGLRenderingContextBase* oldestEvictedContext();
 };
 
 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