Adam Barth 656c44bafb Make tracing work on Android
Previously, the trace coordinator would try to write a trace to the file
system, but it is awkward to write to the file system on Android. Instead, we
now stream the trace data to a data pipe. The Sky debugger consumes that data
pipe and sends it to the host via the command HTTP server.

R=eseidel@chromium.org, jamesr@chromium.org

Review URL: https://codereview.chromium.org/853943005
2015-01-15 16:32:16 -08:00
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2015-01-15 16:32:16 -08:00