Bug 615976 - Fix WebGL to default to trying to have anti-aliasing - r=bjacob

content/canvas/src/WebGLContext.h

@@ -310,7 +310,7 @@ struct WebGLContextOptions {
     // these are defaults
     WebGLContextOptions()
         : alpha(true), depth(true), stencil(false),
-          premultipliedAlpha(true), antialias(false),
+          premultipliedAlpha(true), antialias(true),
           preserveDrawingBuffer(false)
     { }