google/trace-viewer — pull request #666 by yury-s (2014-11-17 13:19:20+00:00)
Title: Support Tracing.bufferUsage percentFull param

I'm going to extend Tracein.bufferUsage event with additional information. The value param is being renamed to more descriptive percentFull (see Blink change https://codereview.chromium.org/722693002/). This changes prepares trace-viewer for the protocol changes.