Disable reference tests for memory.top_10_mobile because that memory.top_10_mobile.reference failed on Win 7, Win XP, Mac 10.10, Mac 10.9, Mac Retina, Linux builds, which has a missing method Tracing.requestMemoryDump.
Disable reference tests for memory.top_10_mobile because that memory.top_10_mobile.reference
failed on Win 7, Win XP, Mac 10.10, Mac 10.9, Mac Retina, Linux builds, which has a missing method
Tracing.requestMemoryDump.

BUG=540022
CQ_EXTRA_TRYBOTS=tryserver.chromium.perf:linux_perf_bisect;tryserver.chromium.perf:mac_10_10_perf_bisect;tryserver.chromium.perf:win_perf_bisect;tryserver.chromium.perf:android_nexus5_perf_bisect

Review URL: https://codereview.chromium.org/1391693002

Cr-Commit-Position: 972c6d2dc6dd5efdad1377c0d224e03eb8f276f7@{#352784}

axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk,axinging/chromium-crosswalk