commit 666f80f5f67fa8164ca8acad9af33e8bce9af5e9
author alph <alph@chromium.org> Mon Dec 08 15:52:11 2014
committer Commit bot <commit-bot@chromium.org> Mon Dec 08 15:52:58 2014
tree f0209d41eea94f4f73e6b8c5cd2c6ac1dfc3333f
parent 41c4272a23145587d4382a03aa755870374bba81

DevTools: Add V8 sampling profiler thread.

Once v8_cpu_profiling tracing category is enabled the sampling thread will start perform actions with given frequency.
Upcoming patch(es) will extract running threads: main and workers, obtain their v8 Isolates and make use of V8 GetStackSample API to obtain samples.
Every sample along with necessary meta info is going to be stored in the tracing log.

BUG=406277

Review URL: https://codereview.chromium.org/766653003

Cr-Commit-Position: refs/heads/master@{#307255}