ServiceWorker: Add UMA for ServiceWorkerDatabase
commitb6cb0b12d2ccb12f0f041c410ef5a923fb3ef857
authornhiroki@chromium.org <nhiroki@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Wed, 4 Jun 2014 12:36:51 +0000 (4 12:36 +0000)
committernhiroki@chromium.org <nhiroki@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Wed, 4 Jun 2014 12:36:51 +0000 (4 12:36 +0000)
tree1efbe58533310fb1caa55f65b442610d9970f0ad
parent3d0638544c06118333e0c5d0d74789217fed18e9
ServiceWorker: Add UMA for ServiceWorkerDatabase

BUG=371675
TEST=n/a

Review URL: https://codereview.chromium.org/303483007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@274793 0039d316-1c4b-4281-b951-d872f2087c98
content/browser/service_worker/service_worker_database.cc
content/browser/service_worker/service_worker_database.h
content/browser/service_worker/service_worker_storage.cc
tools/metrics/histograms/histograms.xml