Bug 1275637 - Fix eslint errors in webgl-utils.js. r=jryans

MozReview-Commit-ID: 1T2vOPMAj8G

--HG--
extra : transplant_source : %F0%00%02%AF%1C%C7%C80O%7D%0B%C5%DE%01%80%CF%ED%86%A5%12

.eslintignore

@@ -94,7 +94,6 @@ devtools/client/responsivedesign/**
 devtools/client/scratchpad/**
 devtools/client/shadereditor/**
 devtools/client/shared/*.jsm
-devtools/client/shared/webgl-utils.js
 devtools/client/shared/developer-toolbar.js
 devtools/client/shared/components/test/**
 devtools/client/shared/redux/middleware/test/**

devtools/client/shared/webgl-utils.js

@@ -33,7 +33,7 @@ function create3DContext(canvas) {
   // try to get a valid context from an existing canvas
   let context = null;
   try {
-    context = canvas.getContext(WEBGL_CONTEXT_NAME, aFlags);
+    context = canvas.getContext(WEBGL_CONTEXT_NAME);
   } catch (e) {
     return null;
   }