[webgl/device-pixel-presnap] Reduce size from fullscreen to 400x225.
[webgl/device-pixel-presnap] Reduce size from fullscreen to 400x225.

My Android device freaks out a little with the fullscreen/full-viewport version.

jdashg/misc,jdashg/snippets,jdashg/misc,jdashg/misc,jdashg/snippets,jdashg/misc,jdashg/misc,jdashg/misc