asm.js support in Chrome was moved to "assigned" in February this year: https://code.google.com/p/v8/issues/detail?id=2599

Looks to be the year of WebGL + asm.js across all browsers sometime this year. If so next year could be big for WebGL and web gaming again. And one day it could also make an impact on mobile but that seems to be moving ahead with things like Apple Metal and Khronos Vulkan (OpenGL successor - https://www.khronos.org/vulkan).