Code: bool IsTraceEventArgsWhitelisted(const char* category_group_name,
                                 const char* event_name) {
   if (base::MatchPattern(category_group_name, "benchmark") &&
       base::MatchPattern(event_name, "whitelisted")) {
     return true;
  }

  return false;
}

Vulnerability Type: DoS 
CWE ID: CWE-399
Summary: Use-after-free vulnerability in the FrameSelection::updateAppearance function in core/editing/FrameSelection.cpp in Blink, as used in Google Chrome before 34.0.1847.137, allows remote attackers to cause a denial of service or possibly have unspecified other impact by leveraging improper RenderObject handling.
Commit Message: Tracing: Add support for PII whitelisting of individual trace event arguments

R=dsinclair,shatch
BUG=546093

Review URL: https://codereview.chromium.org/1415013003

Cr-Commit-Position: refs/heads/master@{#356690}