Code: void AutoFillMetrics::Log(QualityMetric metric) const {
   DCHECK(metric < NUM_QUALITY_METRICS);
 
  UMA_HISTOGRAM_ENUMERATION("AutoFill.Quality", metric,
                            NUM_QUALITY_METRICS);
 }

Vulnerability Type: DoS 
CWE ID: CWE-399
Summary: Use-after-free vulnerability in the frame-loader implementation in Google Chrome before 10.0.648.204 allows remote attackers to cause a denial of service or possibly have unspecified other impact via unknown vectors.
Commit Message: Add support for autofill server experiments

BUG=none
TEST=unit_tests --gtest_filter=AutoFillMetricsTest.QualityMetricsWithExperimentId:AutoFillQueryXmlParserTest.ParseExperimentId

Review URL: http://codereview.chromium.org/6260027

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@73216 0039d316-1c4b-4281-b951-d872f2087c98