tools/metrics/histograms/histograms.xml

Index: tools/metrics/histograms/histograms.xml
diff --git a/tools/metrics/histograms/histograms.xml b/tools/metrics/histograms/histograms.xml
index b35630067cb7a5cf9d75fd9d769581d2e79ac386..b91ade934284d873b04b9ddbf1e94dc98a8469bb 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -101958,6 +101958,7 @@ from previous Chrome versions.
   <int value="-344343842" label="disable-experimental-app-list"/>
   <int value="-340622848" label="disable-javascript-harmony-shipping"/>
   <int value="-340255045" label="allow-nacl-socket-api"/>
+  <int value="-340023285" label="WebNFC:enabled"/>
   <int value="-329727402" label="disable-files-quick-view"/>
   <int value="-328361990" label="enable-experimental-extension-apis"/>
   <int value="-323831744" label="token-binding:enabled"/>
@@ -102154,6 +102155,7 @@ from previous Chrome versions.
   <int value="494733611" label="disable-drop-sync-credential"/>
   <int value="503245473" label="disable-translate-new-ux"/>
   <int value="504994663" label="GenericSensor:disabled"/>
+  <int value="506680761" label="WebNFC:disabled"/>
   <int value="510814146" label="OfflineBookmarks:enabled"/>
   <int value="535976218" label="enable-plugin-power-saver"/>
   <int value="538468149" label="OfflinePagesCT:enabled"/>
@@ -102211,6 +102213,7 @@ from previous Chrome versions.
   <int value="730750097" label="PermissionsBlacklist:disabled"/>
   <int value="732703958" label="enable-gesture-tap-highlight"/>
   <int value="738868972" label="GdiTextPrinting:disabled"/>
+  <int value="741238351" label="enable-webnfc"/>

[Alexei Svitkine (slow), 2017/04/19 16:43:52]

This is not needed since you're using a base::Feature

[shalamov, 2017/04/20 07:30:00]

Done.

   <int value="745868416" label="disable-system-timezone-automatic-detection"/>
   <int value="746944193" label="enable-automatic-password-saving:disabled"/>
   <int value="747847237" label="PhysicalWeb:enabled"/>