Jonas Jenwald 59b5e14301 Split the existing WebGLUtils in two classes, a private WebGLUtils and a public WebGLContext, and utilize the latter in the API to allow various code to access the methods of WebGLUtils
This patch is one (small) step on the way to reduce the general dependency on a global `PDFJS` object, for PDF.js version `2.0`.
2017-11-24 21:54:47 +01:00
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