cros: Added policies for screen unlock.

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 6a9b73cddc160ff17cb8d24f0ce4c7004cd84076..da5e039d08870a7d46f4590c935337f558f8897b 100644
--- a/tools/metrics/histograms/histograms.xml
+++ b/tools/metrics/histograms/histograms.xml
@@ -81054,13 +81054,15 @@ http://cs/file:chrome/histograms.xml - but prefer this file for new entries.
       label="Allow remote users to interact with elevated windows in remote
              assistance sessions"/>
   <int value="345" label="Enables HTTP/0.9 support on non-default ports"/>
-  <int value="346" label="Enables force sign in for browser."/>
-  <int value="347" label="Always open PDF in external viewer."/>
-  <int value="348" label="Force YouTube Restricted Mode"/>
-  <int value="349" label="Report information about the status of Android."/>
-  <int value="350" label="Recommended printers provided."/>
-  <int value="351"
-      label="Enable enterprise policy for throttling network bandwidth."/>
+  <int value="346" label="Enables force sign in for Google Chrome."/>
+  <int value="347" label="Always Open PDF files externally"/>
+  <int value="348" label="Force minimum YouTube Restricted Mode"/>
+  <int value="349" label="Report information about status of Android"/>
+  <int value="350" label="Native Printing"/>
+  <int value="351" label="Enables throttling network bandwidth"/>
+  <int value="352" label="Configure allowed quick unlock modes."/>
+  <int value="353"
+      label="Sets how often user has to enter password to use quick unlock."/>
 </enum>
 
 <enum name="EnterprisePolicyInvalidations" type="int">